Home / 10,366.76-14,306.28-6,385.61

Finding the Fourth Proportional to 10,366.76, 14,306.28 and 6,385.61

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Solution

The fourth proportional to 10,366.76, 14,306.28 and 6,385.61 is: 8,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.76 : 14,306.28 = 6,385.61 : x
  2. Step 2: Convert to fraction form
    10,366.76/14,306.28 = 6,385.61/x
  3. Step 3: Cross multiply
    10,366.76x = 14,306.28 × 6,385.61
  4. Step 4: Simplify right side
    10,366.76x = 91,354,324.63
  5. Step 5: Solve for x
    x = 91,354,324.63/10,366.76
  6. Step 6: Final answer
    x = 8,812.23

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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.