Home / 12,937.12-17,853.44-10,107.76

Finding the Fourth Proportional to 12,937.12, 17,853.44 and 10,107.76

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Solution

The fourth proportional to 12,937.12, 17,853.44 and 10,107.76 is: 13,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.12 : 17,853.44 = 10,107.76 : x
  2. Step 2: Convert to fraction form
    12,937.12/17,853.44 = 10,107.76/x
  3. Step 3: Cross multiply
    12,937.12x = 17,853.44 × 10,107.76
  4. Step 4: Simplify right side
    12,937.12x = 180,458,286.69
  5. Step 5: Solve for x
    x = 180,458,286.69/12,937.12
  6. Step 6: Final answer
    x = 13,948.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.