Home / 10,099.13-15,151.14-3,173.63

Finding the Fourth Proportional to 10,099.13, 15,151.14 and 3,173.63

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Solution

The fourth proportional to 10,099.13, 15,151.14 and 3,173.63 is: 4,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.13 : 15,151.14 = 3,173.63 : x
  2. Step 2: Convert to fraction form
    10,099.13/15,151.14 = 3,173.63/x
  3. Step 3: Cross multiply
    10,099.13x = 15,151.14 × 3,173.63
  4. Step 4: Simplify right side
    10,099.13x = 48,084,036.68
  5. Step 5: Solve for x
    x = 48,084,036.68/10,099.13
  6. Step 6: Final answer
    x = 4,761.21

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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.