Home / 13,342.92-18,414.60-7,677.88

Finding the Fourth Proportional to 13,342.92, 18,414.60 and 7,677.88

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Solution

The fourth proportional to 13,342.92, 18,414.60 and 7,677.88 is: 10,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.92 : 18,414.60 = 7,677.88 : x
  2. Step 2: Convert to fraction form
    13,342.92/18,414.60 = 7,677.88/x
  3. Step 3: Cross multiply
    13,342.92x = 18,414.60 × 7,677.88
  4. Step 4: Simplify right side
    13,342.92x = 141,385,089.05
  5. Step 5: Solve for x
    x = 141,385,089.05/13,342.92
  6. Step 6: Final answer
    x = 10,596.26

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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.