Home / 10,270.32-15,405.52-2,479.13

Finding the Fourth Proportional to 10,270.32, 15,405.52 and 2,479.13

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Solution

The fourth proportional to 10,270.32, 15,405.52 and 2,479.13 is: 3,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.32 : 15,405.52 = 2,479.13 : x
  2. Step 2: Convert to fraction form
    10,270.32/15,405.52 = 2,479.13/x
  3. Step 3: Cross multiply
    10,270.32x = 15,405.52 × 2,479.13
  4. Step 4: Simplify right side
    10,270.32x = 38,192,302.35
  5. Step 5: Solve for x
    x = 38,192,302.35/10,270.32
  6. Step 6: Final answer
    x = 3,718.71

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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.