Home / 14,906.40-22,327.20-11,990.40

Finding the Fourth Proportional to 14,906.40, 22,327.20 and 11,990.40

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Solution

The fourth proportional to 14,906.40, 22,327.20 and 11,990.40 is: 17,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.40 : 22,327.20 = 11,990.40 : x
  2. Step 2: Convert to fraction form
    14,906.40/22,327.20 = 11,990.40/x
  3. Step 3: Cross multiply
    14,906.40x = 22,327.20 × 11,990.40
  4. Step 4: Simplify right side
    14,906.40x = 267,712,058.88
  5. Step 5: Solve for x
    x = 267,712,058.88/14,906.40
  6. Step 6: Final answer
    x = 17,959.54

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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.