Home / 13,995.24-19,312.98-8,328.69

Finding the Fourth Proportional to 13,995.24, 19,312.98 and 8,328.69

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Solution

The fourth proportional to 13,995.24, 19,312.98 and 8,328.69 is: 11,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.24 : 19,312.98 = 8,328.69 : x
  2. Step 2: Convert to fraction form
    13,995.24/19,312.98 = 8,328.69/x
  3. Step 3: Cross multiply
    13,995.24x = 19,312.98 × 8,328.69
  4. Step 4: Simplify right side
    13,995.24x = 160,851,823.40
  5. Step 5: Solve for x
    x = 160,851,823.40/13,995.24
  6. Step 6: Final answer
    x = 11,493.32

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Half scale
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Double scale
Find fourth proportional to 13,996.24, 19,314.36 and 8,329.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.