Home / 21,445.97-32,168.34-8,301.29

Finding the Fourth Proportional to 21,445.97, 32,168.34 and 8,301.29

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Solution

The fourth proportional to 21,445.97, 32,168.34 and 8,301.29 is: 12,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.97 : 32,168.34 = 8,301.29 : x
  2. Step 2: Convert to fraction form
    21,445.97/32,168.34 = 8,301.29/x
  3. Step 3: Cross multiply
    21,445.97x = 32,168.34 × 8,301.29
  4. Step 4: Simplify right side
    21,445.97x = 267,038,558.32
  5. Step 5: Solve for x
    x = 267,038,558.32/21,445.97
  6. Step 6: Final answer
    x = 12,451.69

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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.