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Finding the Fourth Proportional to 8,595.38, 12,777.18 and 8,343.14

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Solution

The fourth proportional to 8,595.38, 12,777.18 and 8,343.14 is: 12,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.38 : 12,777.18 = 8,343.14 : x
  2. Step 2: Convert to fraction form
    8,595.38/12,777.18 = 8,343.14/x
  3. Step 3: Cross multiply
    8,595.38x = 12,777.18 × 8,343.14
  4. Step 4: Simplify right side
    8,595.38x = 106,601,759.83
  5. Step 5: Solve for x
    x = 106,601,759.83/8,595.38
  6. Step 6: Final answer
    x = 12,402.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.