Home / 10,006.25-15,007.55-4,458.56

Finding the Fourth Proportional to 10,006.25, 15,007.55 and 4,458.56

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Solution

The fourth proportional to 10,006.25, 15,007.55 and 4,458.56 is: 6,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.25 : 15,007.55 = 4,458.56 : x
  2. Step 2: Convert to fraction form
    10,006.25/15,007.55 = 4,458.56/x
  3. Step 3: Cross multiply
    10,006.25x = 15,007.55 × 4,458.56
  4. Step 4: Simplify right side
    10,006.25x = 66,912,062.13
  5. Step 5: Solve for x
    x = 66,912,062.13/10,006.25
  6. Step 6: Final answer
    x = 6,687.03

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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.