Home / 15,392.76-23,089.18-8,814.42

Finding the Fourth Proportional to 15,392.76, 23,089.18 and 8,814.42

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Solution

The fourth proportional to 15,392.76, 23,089.18 and 8,814.42 is: 13,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.76 : 23,089.18 = 8,814.42 : x
  2. Step 2: Convert to fraction form
    15,392.76/23,089.18 = 8,814.42/x
  3. Step 3: Cross multiply
    15,392.76x = 23,089.18 × 8,814.42
  4. Step 4: Simplify right side
    15,392.76x = 203,517,729.98
  5. Step 5: Solve for x
    x = 203,517,729.98/15,392.76
  6. Step 6: Final answer
    x = 13,221.65

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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.