Home / 15,146.50-22,720.56-4,759.06

Finding the Fourth Proportional to 15,146.50, 22,720.56 and 4,759.06

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Solution

The fourth proportional to 15,146.50, 22,720.56 and 4,759.06 is: 7,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.50 : 22,720.56 = 4,759.06 : x
  2. Step 2: Convert to fraction form
    15,146.50/22,720.56 = 4,759.06/x
  3. Step 3: Cross multiply
    15,146.50x = 22,720.56 × 4,759.06
  4. Step 4: Simplify right side
    15,146.50x = 108,128,508.27
  5. Step 5: Solve for x
    x = 108,128,508.27/15,146.50
  6. Step 6: Final answer
    x = 7,138.84

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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.