Home / 10,439.52-15,659.07-2,648.13

Finding the Fourth Proportional to 10,439.52, 15,659.07 and 2,648.13

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Solution

The fourth proportional to 10,439.52, 15,659.07 and 2,648.13 is: 3,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.52 : 15,659.07 = 2,648.13 : x
  2. Step 2: Convert to fraction form
    10,439.52/15,659.07 = 2,648.13/x
  3. Step 3: Cross multiply
    10,439.52x = 15,659.07 × 2,648.13
  4. Step 4: Simplify right side
    10,439.52x = 41,467,253.04
  5. Step 5: Solve for x
    x = 41,467,253.04/10,439.52
  6. Step 6: Final answer
    x = 3,972.14

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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.