Home / 13,233.80-19,872.30-8,870.60

Finding the Fourth Proportional to 13,233.80, 19,872.30 and 8,870.60

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Solution

The fourth proportional to 13,233.80, 19,872.30 and 8,870.60 is: 13,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.80 : 19,872.30 = 8,870.60 : x
  2. Step 2: Convert to fraction form
    13,233.80/19,872.30 = 8,870.60/x
  3. Step 3: Cross multiply
    13,233.80x = 19,872.30 × 8,870.60
  4. Step 4: Simplify right side
    13,233.80x = 176,279,224.38
  5. Step 5: Solve for x
    x = 176,279,224.38/13,233.80
  6. Step 6: Final answer
    x = 13,320.38

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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.