Home / 10,072.32-15,109.80-4,227.52

Finding the Fourth Proportional to 10,072.32, 15,109.80 and 4,227.52

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Solution

The fourth proportional to 10,072.32, 15,109.80 and 4,227.52 is: 6,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.32 : 15,109.80 = 4,227.52 : x
  2. Step 2: Convert to fraction form
    10,072.32/15,109.80 = 4,227.52/x
  3. Step 3: Cross multiply
    10,072.32x = 15,109.80 × 4,227.52
  4. Step 4: Simplify right side
    10,072.32x = 63,876,981.70
  5. Step 5: Solve for x
    x = 63,876,981.70/10,072.32
  6. Step 6: Final answer
    x = 6,341.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.