Home / 10,320.50-15,481.47-4,080.17

Finding the Fourth Proportional to 10,320.50, 15,481.47 and 4,080.17

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Solution

The fourth proportional to 10,320.50, 15,481.47 and 4,080.17 is: 6,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.50 : 15,481.47 = 4,080.17 : x
  2. Step 2: Convert to fraction form
    10,320.50/15,481.47 = 4,080.17/x
  3. Step 3: Cross multiply
    10,320.50x = 15,481.47 × 4,080.17
  4. Step 4: Simplify right side
    10,320.50x = 63,167,029.45
  5. Step 5: Solve for x
    x = 63,167,029.45/10,320.50
  6. Step 6: Final answer
    x = 6,120.54

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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.