Home / 10,142.26-15,212.88-3,901.10

Finding the Fourth Proportional to 10,142.26, 15,212.88 and 3,901.10

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Solution

The fourth proportional to 10,142.26, 15,212.88 and 3,901.10 is: 5,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.26 : 15,212.88 = 3,901.10 : x
  2. Step 2: Convert to fraction form
    10,142.26/15,212.88 = 3,901.10/x
  3. Step 3: Cross multiply
    10,142.26x = 15,212.88 × 3,901.10
  4. Step 4: Simplify right side
    10,142.26x = 59,346,966.17
  5. Step 5: Solve for x
    x = 59,346,966.17/10,142.26
  6. Step 6: Final answer
    x = 5,851.45

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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.