Home / 10,247.25-14,138.13-6,264.48

Finding the Fourth Proportional to 10,247.25, 14,138.13 and 6,264.48

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Solution

The fourth proportional to 10,247.25, 14,138.13 and 6,264.48 is: 8,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.25 : 14,138.13 = 6,264.48 : x
  2. Step 2: Convert to fraction form
    10,247.25/14,138.13 = 6,264.48/x
  3. Step 3: Cross multiply
    10,247.25x = 14,138.13 × 6,264.48
  4. Step 4: Simplify right side
    10,247.25x = 88,568,032.62
  5. Step 5: Solve for x
    x = 88,568,032.62/10,247.25
  6. Step 6: Final answer
    x = 8,643.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.