Home / 15,490.74-23,245.29-5,630.76

Finding the Fourth Proportional to 15,490.74, 23,245.29 and 5,630.76

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Solution

The fourth proportional to 15,490.74, 23,245.29 and 5,630.76 is: 8,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.74 : 23,245.29 = 5,630.76 : x
  2. Step 2: Convert to fraction form
    15,490.74/23,245.29 = 5,630.76/x
  3. Step 3: Cross multiply
    15,490.74x = 23,245.29 × 5,630.76
  4. Step 4: Simplify right side
    15,490.74x = 130,888,649.12
  5. Step 5: Solve for x
    x = 130,888,649.12/15,490.74
  6. Step 6: Final answer
    x = 8,449.48

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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.