Home / 10,104.07-15,149.06-4,478.69

Finding the Fourth Proportional to 10,104.07, 15,149.06 and 4,478.69

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Solution

The fourth proportional to 10,104.07, 15,149.06 and 4,478.69 is: 6,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.07 : 15,149.06 = 4,478.69 : x
  2. Step 2: Convert to fraction form
    10,104.07/15,149.06 = 4,478.69/x
  3. Step 3: Cross multiply
    10,104.07x = 15,149.06 × 4,478.69
  4. Step 4: Simplify right side
    10,104.07x = 67,847,921.14
  5. Step 5: Solve for x
    x = 67,847,921.14/10,104.07
  6. Step 6: Final answer
    x = 6,714.91

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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.