Home / 15,144.44-20,897.88-11,167.70

Finding the Fourth Proportional to 15,144.44, 20,897.88 and 11,167.70

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Solution

The fourth proportional to 15,144.44, 20,897.88 and 11,167.70 is: 15,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.44 : 20,897.88 = 11,167.70 : x
  2. Step 2: Convert to fraction form
    15,144.44/20,897.88 = 11,167.70/x
  3. Step 3: Cross multiply
    15,144.44x = 20,897.88 × 11,167.70
  4. Step 4: Simplify right side
    15,144.44x = 233,381,254.48
  5. Step 5: Solve for x
    x = 233,381,254.48/15,144.44
  6. Step 6: Final answer
    x = 15,410.36

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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.