Home / 18,836.72-25,990.24-10,877.44

Finding the Fourth Proportional to 18,836.72, 25,990.24 and 10,877.44

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Solution

The fourth proportional to 18,836.72, 25,990.24 and 10,877.44 is: 15,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.72 : 25,990.24 = 10,877.44 : x
  2. Step 2: Convert to fraction form
    18,836.72/25,990.24 = 10,877.44/x
  3. Step 3: Cross multiply
    18,836.72x = 25,990.24 × 10,877.44
  4. Step 4: Simplify right side
    18,836.72x = 282,707,276.19
  5. Step 5: Solve for x
    x = 282,707,276.19/18,836.72
  6. Step 6: Final answer
    x = 15,008.31

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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.