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Finding the Fourth Proportional to 15,959.01, 22,023.03 and 8,885.28

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Solution

The fourth proportional to 15,959.01, 22,023.03 and 8,885.28 is: 12,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.01 : 22,023.03 = 8,885.28 : x
  2. Step 2: Convert to fraction form
    15,959.01/22,023.03 = 8,885.28/x
  3. Step 3: Cross multiply
    15,959.01x = 22,023.03 × 8,885.28
  4. Step 4: Simplify right side
    15,959.01x = 195,680,788.00
  5. Step 5: Solve for x
    x = 195,680,788.00/15,959.01
  6. Step 6: Final answer
    x = 12,261.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.