Home / 12,649.97-17,458.01-6,985.23

Finding the Fourth Proportional to 12,649.97, 17,458.01 and 6,985.23

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Solution

The fourth proportional to 12,649.97, 17,458.01 and 6,985.23 is: 9,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649.97 : 17,458.01 = 6,985.23 : x
  2. Step 2: Convert to fraction form
    12,649.97/17,458.01 = 6,985.23/x
  3. Step 3: Cross multiply
    12,649.97x = 17,458.01 × 6,985.23
  4. Step 4: Simplify right side
    12,649.97x = 121,948,180.27
  5. Step 5: Solve for x
    x = 121,948,180.27/12,649.97
  6. Step 6: Final answer
    x = 9,640.20

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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.