Home / 12,937.38-19,410.12-5,444.88

Finding the Fourth Proportional to 12,937.38, 19,410.12 and 5,444.88

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Solution

The fourth proportional to 12,937.38, 19,410.12 and 5,444.88 is: 8,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.38 : 19,410.12 = 5,444.88 : x
  2. Step 2: Convert to fraction form
    12,937.38/19,410.12 = 5,444.88/x
  3. Step 3: Cross multiply
    12,937.38x = 19,410.12 × 5,444.88
  4. Step 4: Simplify right side
    12,937.38x = 105,685,774.19
  5. Step 5: Solve for x
    x = 105,685,774.19/12,937.38
  6. Step 6: Final answer
    x = 8,169.02

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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.