Home / 10,479.88-15,712.86-4,150.56

Finding the Fourth Proportional to 10,479.88, 15,712.86 and 4,150.56

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Solution

The fourth proportional to 10,479.88, 15,712.86 and 4,150.56 is: 6,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.88 : 15,712.86 = 4,150.56 : x
  2. Step 2: Convert to fraction form
    10,479.88/15,712.86 = 4,150.56/x
  3. Step 3: Cross multiply
    10,479.88x = 15,712.86 × 4,150.56
  4. Step 4: Simplify right side
    10,479.88x = 65,217,168.20
  5. Step 5: Solve for x
    x = 65,217,168.20/10,479.88
  6. Step 6: Final answer
    x = 6,223.08

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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.