Home / 18,732.60-25,839.41-12,359.52

Finding the Fourth Proportional to 18,732.60, 25,839.41 and 12,359.52

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Solution

The fourth proportional to 18,732.60, 25,839.41 and 12,359.52 is: 17,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.60 : 25,839.41 = 12,359.52 : x
  2. Step 2: Convert to fraction form
    18,732.60/25,839.41 = 12,359.52/x
  3. Step 3: Cross multiply
    18,732.60x = 25,839.41 × 12,359.52
  4. Step 4: Simplify right side
    18,732.60x = 319,362,642.89
  5. Step 5: Solve for x
    x = 319,362,642.89/18,732.60
  6. Step 6: Final answer
    x = 17,048.50

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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.