Home / 18,350.30-25,323.36-9,966.80

Finding the Fourth Proportional to 18,350.30, 25,323.36 and 9,966.80

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Solution

The fourth proportional to 18,350.30, 25,323.36 and 9,966.80 is: 13,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.30 : 25,323.36 = 9,966.80 : x
  2. Step 2: Convert to fraction form
    18,350.30/25,323.36 = 9,966.80/x
  3. Step 3: Cross multiply
    18,350.30x = 25,323.36 × 9,966.80
  4. Step 4: Simplify right side
    18,350.30x = 252,392,864.45
  5. Step 5: Solve for x
    x = 252,392,864.45/18,350.30
  6. Step 6: Final answer
    x = 13,754.15

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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.