Home / 13,934.68-20,901.24-10,190.30

Finding the Fourth Proportional to 13,934.68, 20,901.24 and 10,190.30

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Solution

The fourth proportional to 13,934.68, 20,901.24 and 10,190.30 is: 15,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.68 : 20,901.24 = 10,190.30 : x
  2. Step 2: Convert to fraction form
    13,934.68/20,901.24 = 10,190.30/x
  3. Step 3: Cross multiply
    13,934.68x = 20,901.24 × 10,190.30
  4. Step 4: Simplify right side
    13,934.68x = 212,989,801.47
  5. Step 5: Solve for x
    x = 212,989,801.47/13,934.68
  6. Step 6: Final answer
    x = 15,284.87

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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.