Home / 10,080.30-15,124.05-4,238.70

Finding the Fourth Proportional to 10,080.30, 15,124.05 and 4,238.70

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Solution

The fourth proportional to 10,080.30, 15,124.05 and 4,238.70 is: 6,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.30 : 15,124.05 = 4,238.70 : x
  2. Step 2: Convert to fraction form
    10,080.30/15,124.05 = 4,238.70/x
  3. Step 3: Cross multiply
    10,080.30x = 15,124.05 × 4,238.70
  4. Step 4: Simplify right side
    10,080.30x = 64,106,310.74
  5. Step 5: Solve for x
    x = 64,106,310.74/10,080.30
  6. Step 6: Final answer
    x = 6,359.56

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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.