Home / 10,901.96-15,044.56-6,425.90

Finding the Fourth Proportional to 10,901.96, 15,044.56 and 6,425.90

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Solution

The fourth proportional to 10,901.96, 15,044.56 and 6,425.90 is: 8,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.96 : 15,044.56 = 6,425.90 : x
  2. Step 2: Convert to fraction form
    10,901.96/15,044.56 = 6,425.90/x
  3. Step 3: Cross multiply
    10,901.96x = 15,044.56 × 6,425.90
  4. Step 4: Simplify right side
    10,901.96x = 96,674,838.10
  5. Step 5: Solve for x
    x = 96,674,838.10/10,901.96
  6. Step 6: Final answer
    x = 8,867.66

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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.