Home / 10,612.38-15,918.57-4,370.79

Finding the Fourth Proportional to 10,612.38, 15,918.57 and 4,370.79

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Solution

The fourth proportional to 10,612.38, 15,918.57 and 4,370.79 is: 6,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.38 : 15,918.57 = 4,370.79 : x
  2. Step 2: Convert to fraction form
    10,612.38/15,918.57 = 4,370.79/x
  3. Step 3: Cross multiply
    10,612.38x = 15,918.57 × 4,370.79
  4. Step 4: Simplify right side
    10,612.38x = 69,576,726.57
  5. Step 5: Solve for x
    x = 69,576,726.57/10,612.38
  6. Step 6: Final answer
    x = 6,556.19

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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.