Home / 10,901.49-15,049.65-6,426.68

Finding the Fourth Proportional to 10,901.49, 15,049.65 and 6,426.68

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Solution

The fourth proportional to 10,901.49, 15,049.65 and 6,426.68 is: 8,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.49 : 15,049.65 = 6,426.68 : x
  2. Step 2: Convert to fraction form
    10,901.49/15,049.65 = 6,426.68/x
  3. Step 3: Cross multiply
    10,901.49x = 15,049.65 × 6,426.68
  4. Step 4: Simplify right side
    10,901.49x = 96,719,284.66
  5. Step 5: Solve for x
    x = 96,719,284.66/10,901.49
  6. Step 6: Final answer
    x = 8,872.12

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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.