Home / 21,550.56-32,299.68-9,065.76

Finding the Fourth Proportional to 21,550.56, 32,299.68 and 9,065.76

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Solution

The fourth proportional to 21,550.56, 32,299.68 and 9,065.76 is: 13,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.56 : 32,299.68 = 9,065.76 : x
  2. Step 2: Convert to fraction form
    21,550.56/32,299.68 = 9,065.76/x
  3. Step 3: Cross multiply
    21,550.56x = 32,299.68 × 9,065.76
  4. Step 4: Simplify right side
    21,550.56x = 292,821,146.96
  5. Step 5: Solve for x
    x = 292,821,146.96/21,550.56
  6. Step 6: Final answer
    x = 13,587.64

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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.