Home / 21,730.46-32,598.42-7,687.18

Finding the Fourth Proportional to 21,730.46, 32,598.42 and 7,687.18

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Solution

The fourth proportional to 21,730.46, 32,598.42 and 7,687.18 is: 11,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.46 : 32,598.42 = 7,687.18 : x
  2. Step 2: Convert to fraction form
    21,730.46/32,598.42 = 7,687.18/x
  3. Step 3: Cross multiply
    21,730.46x = 32,598.42 × 7,687.18
  4. Step 4: Simplify right side
    21,730.46x = 250,589,934.18
  5. Step 5: Solve for x
    x = 250,589,934.18/21,730.46
  6. Step 6: Final answer
    x = 11,531.74

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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.