Home / 10,397.12-14,346.78-5,920.88

Finding the Fourth Proportional to 10,397.12, 14,346.78 and 5,920.88

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Solution

The fourth proportional to 10,397.12, 14,346.78 and 5,920.88 is: 8,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.12 : 14,346.78 = 5,920.88 : x
  2. Step 2: Convert to fraction form
    10,397.12/14,346.78 = 5,920.88/x
  3. Step 3: Cross multiply
    10,397.12x = 14,346.78 × 5,920.88
  4. Step 4: Simplify right side
    10,397.12x = 84,945,562.77
  5. Step 5: Solve for x
    x = 84,945,562.77/10,397.12
  6. Step 6: Final answer
    x = 8,170.11

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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.