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Finding the Fourth Proportional to 21,337.62, 32,014.73 and 8,854.48

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Solution

The fourth proportional to 21,337.62, 32,014.73 and 8,854.48 is: 13,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.62 : 32,014.73 = 8,854.48 : x
  2. Step 2: Convert to fraction form
    21,337.62/32,014.73 = 8,854.48/x
  3. Step 3: Cross multiply
    21,337.62x = 32,014.73 × 8,854.48
  4. Step 4: Simplify right side
    21,337.62x = 283,473,786.49
  5. Step 5: Solve for x
    x = 283,473,786.49/21,337.62
  6. Step 6: Final answer
    x = 13,285.16

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1.5x scale

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.