Home / 18,141.12-25,020-13,095.36

Finding the Fourth Proportional to 18,141.12, 25,020 and 13,095.36

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Solution

The fourth proportional to 18,141.12, 25,020 and 13,095.36 is: 18,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.12 : 25,020 = 13,095.36 : x
  2. Step 2: Convert to fraction form
    18,141.12/25,020 = 13,095.36/x
  3. Step 3: Cross multiply
    18,141.12x = 25,020 × 13,095.36
  4. Step 4: Simplify right side
    18,141.12x = 327,645,907.20
  5. Step 5: Solve for x
    x = 327,645,907.20/18,141.12
  6. Step 6: Final answer
    x = 18,060.95

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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.