Home / 21,814.56-32,728.38-9,335.70

Finding the Fourth Proportional to 21,814.56, 32,728.38 and 9,335.70

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Solution

The fourth proportional to 21,814.56, 32,728.38 and 9,335.70 is: 14,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.56 : 32,728.38 = 9,335.70 : x
  2. Step 2: Convert to fraction form
    21,814.56/32,728.38 = 9,335.70/x
  3. Step 3: Cross multiply
    21,814.56x = 32,728.38 × 9,335.70
  4. Step 4: Simplify right side
    21,814.56x = 305,542,337.17
  5. Step 5: Solve for x
    x = 305,542,337.17/21,814.56
  6. Step 6: Final answer
    x = 14,006.35

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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.