Home / 18,997.06-28,501.35-13,461.13

Finding the Fourth Proportional to 18,997.06, 28,501.35 and 13,461.13

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Solution

The fourth proportional to 18,997.06, 28,501.35 and 13,461.13 is: 20,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.06 : 28,501.35 = 13,461.13 : x
  2. Step 2: Convert to fraction form
    18,997.06/28,501.35 = 13,461.13/x
  3. Step 3: Cross multiply
    18,997.06x = 28,501.35 × 13,461.13
  4. Step 4: Simplify right side
    18,997.06x = 383,660,377.53
  5. Step 5: Solve for x
    x = 383,660,377.53/18,997.06
  6. Step 6: Final answer
    x = 20,195.78

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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.