Home / 18,363.54-25,340.68-10,405.59

Finding the Fourth Proportional to 18,363.54, 25,340.68 and 10,405.59

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Solution

The fourth proportional to 18,363.54, 25,340.68 and 10,405.59 is: 14,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.54 : 25,340.68 = 10,405.59 : x
  2. Step 2: Convert to fraction form
    18,363.54/25,340.68 = 10,405.59/x
  3. Step 3: Cross multiply
    18,363.54x = 25,340.68 × 10,405.59
  4. Step 4: Simplify right side
    18,363.54x = 263,684,726.40
  5. Step 5: Solve for x
    x = 263,684,726.40/18,363.54
  6. Step 6: Final answer
    x = 14,359.14

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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.