Home / 18,307.14-25,262.87-10,348.89

Finding the Fourth Proportional to 18,307.14, 25,262.87 and 10,348.89

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Solution

The fourth proportional to 18,307.14, 25,262.87 and 10,348.89 is: 14,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.14 : 25,262.87 = 10,348.89 : x
  2. Step 2: Convert to fraction form
    18,307.14/25,262.87 = 10,348.89/x
  3. Step 3: Cross multiply
    18,307.14x = 25,262.87 × 10,348.89
  4. Step 4: Simplify right side
    18,307.14x = 261,442,610.97
  5. Step 5: Solve for x
    x = 261,442,610.97/18,307.14
  6. Step 6: Final answer
    x = 14,280.91

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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.