Home / 13,315.80-19,995.30-8,952.60

Finding the Fourth Proportional to 13,315.80, 19,995.30 and 8,952.60

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Solution

The fourth proportional to 13,315.80, 19,995.30 and 8,952.60 is: 13,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.80 : 19,995.30 = 8,952.60 : x
  2. Step 2: Convert to fraction form
    13,315.80/19,995.30 = 8,952.60/x
  3. Step 3: Cross multiply
    13,315.80x = 19,995.30 × 8,952.60
  4. Step 4: Simplify right side
    13,315.80x = 179,009,922.78
  5. Step 5: Solve for x
    x = 179,009,922.78/13,315.80
  6. Step 6: Final answer
    x = 13,443.42

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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.