Home / 18,328.45-25,293.56-9,944.95

Finding the Fourth Proportional to 18,328.45, 25,293.56 and 9,944.95

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Solution

The fourth proportional to 18,328.45, 25,293.56 and 9,944.95 is: 13,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.45 : 25,293.56 = 9,944.95 : x
  2. Step 2: Convert to fraction form
    18,328.45/25,293.56 = 9,944.95/x
  3. Step 3: Cross multiply
    18,328.45x = 25,293.56 × 9,944.95
  4. Step 4: Simplify right side
    18,328.45x = 251,543,139.80
  5. Step 5: Solve for x
    x = 251,543,139.80/18,328.45
  6. Step 6: Final answer
    x = 13,724.19

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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.