Home / 15,481.64-23,215.47-4,385.70

Finding the Fourth Proportional to 15,481.64, 23,215.47 and 4,385.70

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Solution

The fourth proportional to 15,481.64, 23,215.47 and 4,385.70 is: 6,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.64 : 23,215.47 = 4,385.70 : x
  2. Step 2: Convert to fraction form
    15,481.64/23,215.47 = 4,385.70/x
  3. Step 3: Cross multiply
    15,481.64x = 23,215.47 × 4,385.70
  4. Step 4: Simplify right side
    15,481.64x = 101,816,086.78
  5. Step 5: Solve for x
    x = 101,816,086.78/15,481.64
  6. Step 6: Final answer
    x = 6,576.57

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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.