Home / 10,442.43-15,663.69-2,651.22

Finding the Fourth Proportional to 10,442.43, 15,663.69 and 2,651.22

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Solution

The fourth proportional to 10,442.43, 15,663.69 and 2,651.22 is: 3,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.43 : 15,663.69 = 2,651.22 : x
  2. Step 2: Convert to fraction form
    10,442.43/15,663.69 = 2,651.22/x
  3. Step 3: Cross multiply
    10,442.43x = 15,663.69 × 2,651.22
  4. Step 4: Simplify right side
    10,442.43x = 41,527,888.20
  5. Step 5: Solve for x
    x = 41,527,888.20/10,442.43
  6. Step 6: Final answer
    x = 3,976.84

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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.