Home / 15,053.18-20,772.11-8,337.13

Finding the Fourth Proportional to 15,053.18, 20,772.11 and 8,337.13

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Solution

The fourth proportional to 15,053.18, 20,772.11 and 8,337.13 is: 11,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.18 : 20,772.11 = 8,337.13 : x
  2. Step 2: Convert to fraction form
    15,053.18/20,772.11 = 8,337.13/x
  3. Step 3: Cross multiply
    15,053.18x = 20,772.11 × 8,337.13
  4. Step 4: Simplify right side
    15,053.18x = 173,179,750.36
  5. Step 5: Solve for x
    x = 173,179,750.36/15,053.18
  6. Step 6: Final answer
    x = 11,504.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.