Home / 18,996.80-26,233.08-12,727.40

Finding the Fourth Proportional to 18,996.80, 26,233.08 and 12,727.40

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Solution

The fourth proportional to 18,996.80, 26,233.08 and 12,727.40 is: 17,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.80 : 26,233.08 = 12,727.40 : x
  2. Step 2: Convert to fraction form
    18,996.80/26,233.08 = 12,727.40/x
  3. Step 3: Cross multiply
    18,996.80x = 26,233.08 × 12,727.40
  4. Step 4: Simplify right side
    18,996.80x = 333,878,902.39
  5. Step 5: Solve for x
    x = 333,878,902.39/18,996.80
  6. Step 6: Final answer
    x = 17,575.53

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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.