Home / 25,243.84-34,836.35-13,758.74

Finding the Fourth Proportional to 25,243.84, 34,836.35 and 13,758.74

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Solution

The fourth proportional to 25,243.84, 34,836.35 and 13,758.74 is: 18,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.84 : 34,836.35 = 13,758.74 : x
  2. Step 2: Convert to fraction form
    25,243.84/34,836.35 = 13,758.74/x
  3. Step 3: Cross multiply
    25,243.84x = 34,836.35 × 13,758.74
  4. Step 4: Simplify right side
    25,243.84x = 479,304,169.86
  5. Step 5: Solve for x
    x = 479,304,169.86/25,243.84
  6. Step 6: Final answer
    x = 18,986.97

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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.