Home / 18,330.70-25,296.42-9,947.20

Finding the Fourth Proportional to 18,330.70, 25,296.42 and 9,947.20

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Solution

The fourth proportional to 18,330.70, 25,296.42 and 9,947.20 is: 13,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.70 : 25,296.42 = 9,947.20 : x
  2. Step 2: Convert to fraction form
    18,330.70/25,296.42 = 9,947.20/x
  3. Step 3: Cross multiply
    18,330.70x = 25,296.42 × 9,947.20
  4. Step 4: Simplify right side
    18,330.70x = 251,628,549.02
  5. Step 5: Solve for x
    x = 251,628,549.02/18,330.70
  6. Step 6: Final answer
    x = 13,727.17

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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.