Home / 15,340.70-23,014.13-5,479.73

Finding the Fourth Proportional to 15,340.70, 23,014.13 and 5,479.73

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Solution

The fourth proportional to 15,340.70, 23,014.13 and 5,479.73 is: 8,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.70 : 23,014.13 = 5,479.73 : x
  2. Step 2: Convert to fraction form
    15,340.70/23,014.13 = 5,479.73/x
  3. Step 3: Cross multiply
    15,340.70x = 23,014.13 × 5,479.73
  4. Step 4: Simplify right side
    15,340.70x = 126,111,218.58
  5. Step 5: Solve for x
    x = 126,111,218.58/15,340.70
  6. Step 6: Final answer
    x = 8,220.70

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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.