Home / 12,999.50-19,501.28-4,232.35

Finding the Fourth Proportional to 12,999.50, 19,501.28 and 4,232.35

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Solution

The fourth proportional to 12,999.50, 19,501.28 and 4,232.35 is: 6,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.50 : 19,501.28 = 4,232.35 : x
  2. Step 2: Convert to fraction form
    12,999.50/19,501.28 = 4,232.35/x
  3. Step 3: Cross multiply
    12,999.50x = 19,501.28 × 4,232.35
  4. Step 4: Simplify right side
    12,999.50x = 82,536,242.41
  5. Step 5: Solve for x
    x = 82,536,242.41/12,999.50
  6. Step 6: Final answer
    x = 6,349.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.