Home / 21,454.56-32,181.84-8,306.93

Finding the Fourth Proportional to 21,454.56, 32,181.84 and 8,306.93

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Solution

The fourth proportional to 21,454.56, 32,181.84 and 8,306.93 is: 12,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454.56 : 32,181.84 = 8,306.93 : x
  2. Step 2: Convert to fraction form
    21,454.56/32,181.84 = 8,306.93/x
  3. Step 3: Cross multiply
    21,454.56x = 32,181.84 × 8,306.93
  4. Step 4: Simplify right side
    21,454.56x = 267,332,264.57
  5. Step 5: Solve for x
    x = 267,332,264.57/21,454.56
  6. Step 6: Final answer
    x = 12,460.39

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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.