Home / 11,512.42-17,175.02-10,438.13

Finding the Fourth Proportional to 11,512.42, 17,175.02 and 10,438.13

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Solution

The fourth proportional to 11,512.42, 17,175.02 and 10,438.13 is: 15,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.42 : 17,175.02 = 10,438.13 : x
  2. Step 2: Convert to fraction form
    11,512.42/17,175.02 = 10,438.13/x
  3. Step 3: Cross multiply
    11,512.42x = 17,175.02 × 10,438.13
  4. Step 4: Simplify right side
    11,512.42x = 179,275,082.26
  5. Step 5: Solve for x
    x = 179,275,082.26/11,512.42
  6. Step 6: Final answer
    x = 15,572.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.