Home / 15,139.37-22,708.15-5,649.85

Finding the Fourth Proportional to 15,139.37, 22,708.15 and 5,649.85

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Solution

The fourth proportional to 15,139.37, 22,708.15 and 5,649.85 is: 8,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.37 : 22,708.15 = 5,649.85 : x
  2. Step 2: Convert to fraction form
    15,139.37/22,708.15 = 5,649.85/x
  3. Step 3: Cross multiply
    15,139.37x = 22,708.15 × 5,649.85
  4. Step 4: Simplify right side
    15,139.37x = 128,297,655.54
  5. Step 5: Solve for x
    x = 128,297,655.54/15,139.37
  6. Step 6: Final answer
    x = 8,474.44

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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.