Home / 18,908.03-26,089.80-10,948.97

Finding the Fourth Proportional to 18,908.03, 26,089.80 and 10,948.97

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Solution

The fourth proportional to 18,908.03, 26,089.80 and 10,948.97 is: 15,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.03 : 26,089.80 = 10,948.97 : x
  2. Step 2: Convert to fraction form
    18,908.03/26,089.80 = 10,948.97/x
  3. Step 3: Cross multiply
    18,908.03x = 26,089.80 × 10,948.97
  4. Step 4: Simplify right side
    18,908.03x = 285,656,461.67
  5. Step 5: Solve for x
    x = 285,656,461.67/18,908.03
  6. Step 6: Final answer
    x = 15,107.68

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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.