Home / 13,214.41-19,821.65-4,455.48

Finding the Fourth Proportional to 13,214.41, 19,821.65 and 4,455.48

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Solution

The fourth proportional to 13,214.41, 19,821.65 and 4,455.48 is: 6,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.41 : 19,821.65 = 4,455.48 : x
  2. Step 2: Convert to fraction form
    13,214.41/19,821.65 = 4,455.48/x
  3. Step 3: Cross multiply
    13,214.41x = 19,821.65 × 4,455.48
  4. Step 4: Simplify right side
    13,214.41x = 88,314,965.14
  5. Step 5: Solve for x
    x = 88,314,965.14/13,214.41
  6. Step 6: Final answer
    x = 6,683.23

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Similar ratio
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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.