Home / 13,330.20-19,995.30-10,867.80

Finding the Fourth Proportional to 13,330.20, 19,995.30 and 10,867.80

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Solution

The fourth proportional to 13,330.20, 19,995.30 and 10,867.80 is: 16,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.20 : 19,995.30 = 10,867.80 : x
  2. Step 2: Convert to fraction form
    13,330.20/19,995.30 = 10,867.80/x
  3. Step 3: Cross multiply
    13,330.20x = 19,995.30 × 10,867.80
  4. Step 4: Simplify right side
    13,330.20x = 217,304,921.34
  5. Step 5: Solve for x
    x = 217,304,921.34/13,330.20
  6. Step 6: Final answer
    x = 16,301.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.