Home / 15,524.62-21,424.50-8,810.56

Finding the Fourth Proportional to 15,524.62, 21,424.50 and 8,810.56

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Solution

The fourth proportional to 15,524.62, 21,424.50 and 8,810.56 is: 12,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.62 : 21,424.50 = 8,810.56 : x
  2. Step 2: Convert to fraction form
    15,524.62/21,424.50 = 8,810.56/x
  3. Step 3: Cross multiply
    15,524.62x = 21,424.50 × 8,810.56
  4. Step 4: Simplify right side
    15,524.62x = 188,761,842.72
  5. Step 5: Solve for x
    x = 188,761,842.72/15,524.62
  6. Step 6: Final answer
    x = 12,158.87

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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.