Home / 21,337.54-32,013.15-8,863.54

Finding the Fourth Proportional to 21,337.54, 32,013.15 and 8,863.54

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Solution

The fourth proportional to 21,337.54, 32,013.15 and 8,863.54 is: 13,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.54 : 32,013.15 = 8,863.54 : x
  2. Step 2: Convert to fraction form
    21,337.54/32,013.15 = 8,863.54/x
  3. Step 3: Cross multiply
    21,337.54x = 32,013.15 × 8,863.54
  4. Step 4: Simplify right side
    21,337.54x = 283,749,835.55
  5. Step 5: Solve for x
    x = 283,749,835.55/21,337.54
  6. Step 6: Final answer
    x = 13,298.15

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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.