Home / 10,042.50-15,065.79-3,022.20

Finding the Fourth Proportional to 10,042.50, 15,065.79 and 3,022.20

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Solution

The fourth proportional to 10,042.50, 15,065.79 and 3,022.20 is: 4,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.50 : 15,065.79 = 3,022.20 : x
  2. Step 2: Convert to fraction form
    10,042.50/15,065.79 = 3,022.20/x
  3. Step 3: Cross multiply
    10,042.50x = 15,065.79 × 3,022.20
  4. Step 4: Simplify right side
    10,042.50x = 45,531,830.54
  5. Step 5: Solve for x
    x = 45,531,830.54/10,042.50
  6. Step 6: Final answer
    x = 4,533.91

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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.