Home / 14,710.29-20,304.85-9,405.13

Finding the Fourth Proportional to 14,710.29, 20,304.85 and 9,405.13

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Solution

The fourth proportional to 14,710.29, 20,304.85 and 9,405.13 is: 12,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.29 : 20,304.85 = 9,405.13 : x
  2. Step 2: Convert to fraction form
    14,710.29/20,304.85 = 9,405.13/x
  3. Step 3: Cross multiply
    14,710.29x = 20,304.85 × 9,405.13
  4. Step 4: Simplify right side
    14,710.29x = 190,969,773.38
  5. Step 5: Solve for x
    x = 190,969,773.38/14,710.29
  6. Step 6: Final answer
    x = 12,982.05

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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.