Home / 10,174.25-15,264.83-6,421.66

Finding the Fourth Proportional to 10,174.25, 15,264.83 and 6,421.66

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Solution

The fourth proportional to 10,174.25, 15,264.83 and 6,421.66 is: 9,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.25 : 15,264.83 = 6,421.66 : x
  2. Step 2: Convert to fraction form
    10,174.25/15,264.83 = 6,421.66/x
  3. Step 3: Cross multiply
    10,174.25x = 15,264.83 × 6,421.66
  4. Step 4: Simplify right side
    10,174.25x = 98,025,630.33
  5. Step 5: Solve for x
    x = 98,025,630.33/10,174.25
  6. Step 6: Final answer
    x = 9,634.68

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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.