Home / 15,019.95-22,522.56-8,781.54

Finding the Fourth Proportional to 15,019.95, 22,522.56 and 8,781.54

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Solution

The fourth proportional to 15,019.95, 22,522.56 and 8,781.54 is: 13,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.95 : 22,522.56 = 8,781.54 : x
  2. Step 2: Convert to fraction form
    15,019.95/22,522.56 = 8,781.54/x
  3. Step 3: Cross multiply
    15,019.95x = 22,522.56 × 8,781.54
  4. Step 4: Simplify right side
    15,019.95x = 197,782,761.54
  5. Step 5: Solve for x
    x = 197,782,761.54/15,019.95
  6. Step 6: Final answer
    x = 13,168.00

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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.