Home / 18,960.66-26,159.40-12,250.80

Finding the Fourth Proportional to 18,960.66, 26,159.40 and 12,250.80

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Solution

The fourth proportional to 18,960.66, 26,159.40 and 12,250.80 is: 16,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.66 : 26,159.40 = 12,250.80 : x
  2. Step 2: Convert to fraction form
    18,960.66/26,159.40 = 12,250.80/x
  3. Step 3: Cross multiply
    18,960.66x = 26,159.40 × 12,250.80
  4. Step 4: Simplify right side
    18,960.66x = 320,473,577.52
  5. Step 5: Solve for x
    x = 320,473,577.52/18,960.66
  6. Step 6: Final answer
    x = 16,902.03

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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.