Home / 21,442.14-32,159.40-8,283.66

Finding the Fourth Proportional to 21,442.14, 32,159.40 and 8,283.66

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Solution

The fourth proportional to 21,442.14, 32,159.40 and 8,283.66 is: 12,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.14 : 32,159.40 = 8,283.66 : x
  2. Step 2: Convert to fraction form
    21,442.14/32,159.40 = 8,283.66/x
  3. Step 3: Cross multiply
    21,442.14x = 32,159.40 × 8,283.66
  4. Step 4: Simplify right side
    21,442.14x = 266,397,535.40
  5. Step 5: Solve for x
    x = 266,397,535.40/21,442.14
  6. Step 6: Final answer
    x = 12,424.02

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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.