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Finding the Fourth Proportional to 10,250.80, 15,363.74 and 5,559.68

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Solution

The fourth proportional to 10,250.80, 15,363.74 and 5,559.68 is: 8,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.80 : 15,363.74 = 5,559.68 : x
  2. Step 2: Convert to fraction form
    10,250.80/15,363.74 = 5,559.68/x
  3. Step 3: Cross multiply
    10,250.80x = 15,363.74 × 5,559.68
  4. Step 4: Simplify right side
    10,250.80x = 85,417,530.31
  5. Step 5: Solve for x
    x = 85,417,530.31/10,250.80
  6. Step 6: Final answer
    x = 8,332.77

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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.