Home / 14,292.28-21,434.10-6,892.12

Finding the Fourth Proportional to 14,292.28, 21,434.10 and 6,892.12

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Solution

The fourth proportional to 14,292.28, 21,434.10 and 6,892.12 is: 10,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.28 : 21,434.10 = 6,892.12 : x
  2. Step 2: Convert to fraction form
    14,292.28/21,434.10 = 6,892.12/x
  3. Step 3: Cross multiply
    14,292.28x = 21,434.10 × 6,892.12
  4. Step 4: Simplify right side
    14,292.28x = 147,726,389.29
  5. Step 5: Solve for x
    x = 147,726,389.29/14,292.28
  6. Step 6: Final answer
    x = 10,336.10

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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.