Home / 13,717.26-20,572.65-6,317.10

Finding the Fourth Proportional to 13,717.26, 20,572.65 and 6,317.10

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Solution

The fourth proportional to 13,717.26, 20,572.65 and 6,317.10 is: 9,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.26 : 20,572.65 = 6,317.10 : x
  2. Step 2: Convert to fraction form
    13,717.26/20,572.65 = 6,317.10/x
  3. Step 3: Cross multiply
    13,717.26x = 20,572.65 × 6,317.10
  4. Step 4: Simplify right side
    13,717.26x = 129,959,487.32
  5. Step 5: Solve for x
    x = 129,959,487.32/13,717.26
  6. Step 6: Final answer
    x = 9,474.16

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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.