Home / 10,306.74-14,207.52-6,320.46

Finding the Fourth Proportional to 10,306.74, 14,207.52 and 6,320.46

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Solution

The fourth proportional to 10,306.74, 14,207.52 and 6,320.46 is: 8,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.74 : 14,207.52 = 6,320.46 : x
  2. Step 2: Convert to fraction form
    10,306.74/14,207.52 = 6,320.46/x
  3. Step 3: Cross multiply
    10,306.74x = 14,207.52 × 6,320.46
  4. Step 4: Simplify right side
    10,306.74x = 89,798,061.86
  5. Step 5: Solve for x
    x = 89,798,061.86/10,306.74
  6. Step 6: Final answer
    x = 8,712.56

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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.