Home / 13,718.27-20,549.99-6,312.57

Finding the Fourth Proportional to 13,718.27, 20,549.99 and 6,312.57

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Solution

The fourth proportional to 13,718.27, 20,549.99 and 6,312.57 is: 9,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.27 : 20,549.99 = 6,312.57 : x
  2. Step 2: Convert to fraction form
    13,718.27/20,549.99 = 6,312.57/x
  3. Step 3: Cross multiply
    13,718.27x = 20,549.99 × 6,312.57
  4. Step 4: Simplify right side
    13,718.27x = 129,723,218.81
  5. Step 5: Solve for x
    x = 129,723,218.81/13,718.27
  6. Step 6: Final answer
    x = 9,456.24

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