Home / 15,138.35-22,701.45-5,775.17

Finding the Fourth Proportional to 15,138.35, 22,701.45 and 5,775.17

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Solution

The fourth proportional to 15,138.35, 22,701.45 and 5,775.17 is: 8,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.35 : 22,701.45 = 5,775.17 : x
  2. Step 2: Convert to fraction form
    15,138.35/22,701.45 = 5,775.17/x
  3. Step 3: Cross multiply
    15,138.35x = 22,701.45 × 5,775.17
  4. Step 4: Simplify right side
    15,138.35x = 131,104,733.00
  5. Step 5: Solve for x
    x = 131,104,733.00/15,138.35
  6. Step 6: Final answer
    x = 8,660.44

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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.