Home / 12,170.48-16,795.29-7,454.66

Finding the Fourth Proportional to 12,170.48, 16,795.29 and 7,454.66

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Solution

The fourth proportional to 12,170.48, 16,795.29 and 7,454.66 is: 10,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.48 : 16,795.29 = 7,454.66 : x
  2. Step 2: Convert to fraction form
    12,170.48/16,795.29 = 7,454.66/x
  3. Step 3: Cross multiply
    12,170.48x = 16,795.29 × 7,454.66
  4. Step 4: Simplify right side
    12,170.48x = 125,203,092.57
  5. Step 5: Solve for x
    x = 125,203,092.57/12,170.48
  6. Step 6: Final answer
    x = 10,287.45

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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.