Home / 13,658.27-20,487.81-5,337.95

Finding the Fourth Proportional to 13,658.27, 20,487.81 and 5,337.95

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Solution

The fourth proportional to 13,658.27, 20,487.81 and 5,337.95 is: 8,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.27 : 20,487.81 = 5,337.95 : x
  2. Step 2: Convert to fraction form
    13,658.27/20,487.81 = 5,337.95/x
  3. Step 3: Cross multiply
    13,658.27x = 20,487.81 × 5,337.95
  4. Step 4: Simplify right side
    13,658.27x = 109,362,905.39
  5. Step 5: Solve for x
    x = 109,362,905.39/13,658.27
  6. Step 6: Final answer
    x = 8,007.08

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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.