Home / 21,444.12-32,166.18-9,760.68

Finding the Fourth Proportional to 21,444.12, 32,166.18 and 9,760.68

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Solution

The fourth proportional to 21,444.12, 32,166.18 and 9,760.68 is: 14,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.12 : 32,166.18 = 9,760.68 : x
  2. Step 2: Convert to fraction form
    21,444.12/32,166.18 = 9,760.68/x
  3. Step 3: Cross multiply
    21,444.12x = 32,166.18 × 9,760.68
  4. Step 4: Simplify right side
    21,444.12x = 313,963,789.80
  5. Step 5: Solve for x
    x = 313,963,789.80/21,444.12
  6. Step 6: Final answer
    x = 14,641.02

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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.