Home / 18,877.73-26,049.23-10,918.40

Finding the Fourth Proportional to 18,877.73, 26,049.23 and 10,918.40

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Solution

The fourth proportional to 18,877.73, 26,049.23 and 10,918.40 is: 15,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.73 : 26,049.23 = 10,918.40 : x
  2. Step 2: Convert to fraction form
    18,877.73/26,049.23 = 10,918.40/x
  3. Step 3: Cross multiply
    18,877.73x = 26,049.23 × 10,918.40
  4. Step 4: Simplify right side
    18,877.73x = 284,415,768.94
  5. Step 5: Solve for x
    x = 284,415,768.94/18,877.73
  6. Step 6: Final answer
    x = 15,066.21

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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.