Home / 13,654.40-20,477.60-5,332.52

Finding the Fourth Proportional to 13,654.40, 20,477.60 and 5,332.52

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Solution

The fourth proportional to 13,654.40, 20,477.60 and 5,332.52 is: 7,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.40 : 20,477.60 = 5,332.52 : x
  2. Step 2: Convert to fraction form
    13,654.40/20,477.60 = 5,332.52/x
  3. Step 3: Cross multiply
    13,654.40x = 20,477.60 × 5,332.52
  4. Step 4: Simplify right side
    13,654.40x = 109,197,211.55
  5. Step 5: Solve for x
    x = 109,197,211.55/13,654.40
  6. Step 6: Final answer
    x = 7,997.22

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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.