Home / 10,292.54-15,434.25-3,718.78

Finding the Fourth Proportional to 10,292.54, 15,434.25 and 3,718.78

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Solution

The fourth proportional to 10,292.54, 15,434.25 and 3,718.78 is: 5,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.54 : 15,434.25 = 3,718.78 : x
  2. Step 2: Convert to fraction form
    10,292.54/15,434.25 = 3,718.78/x
  3. Step 3: Cross multiply
    10,292.54x = 15,434.25 × 3,718.78
  4. Step 4: Simplify right side
    10,292.54x = 57,396,580.22
  5. Step 5: Solve for x
    x = 57,396,580.22/10,292.54
  6. Step 6: Final answer
    x = 5,576.52

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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.