Home / 19,699.26-27,177.20-12,132.46

Finding the Fourth Proportional to 19,699.26, 27,177.20 and 12,132.46

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Solution

The fourth proportional to 19,699.26, 27,177.20 and 12,132.46 is: 16,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.26 : 27,177.20 = 12,132.46 : x
  2. Step 2: Convert to fraction form
    19,699.26/27,177.20 = 12,132.46/x
  3. Step 3: Cross multiply
    19,699.26x = 27,177.20 × 12,132.46
  4. Step 4: Simplify right side
    19,699.26x = 329,726,291.91
  5. Step 5: Solve for x
    x = 329,726,291.91/19,699.26
  6. Step 6: Final answer
    x = 16,738.00

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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.