Home / 10,495.92-15,742.56-3,100.24

Finding the Fourth Proportional to 10,495.92, 15,742.56 and 3,100.24

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Solution

The fourth proportional to 10,495.92, 15,742.56 and 3,100.24 is: 4,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.92 : 15,742.56 = 3,100.24 : x
  2. Step 2: Convert to fraction form
    10,495.92/15,742.56 = 3,100.24/x
  3. Step 3: Cross multiply
    10,495.92x = 15,742.56 × 3,100.24
  4. Step 4: Simplify right side
    10,495.92x = 48,805,714.21
  5. Step 5: Solve for x
    x = 48,805,714.21/10,495.92
  6. Step 6: Final answer
    x = 4,649.97

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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.