Home / 15,952.12-22,012.90-8,878.36

Finding the Fourth Proportional to 15,952.12, 22,012.90 and 8,878.36

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Solution

The fourth proportional to 15,952.12, 22,012.90 and 8,878.36 is: 12,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.12 : 22,012.90 = 8,878.36 : x
  2. Step 2: Convert to fraction form
    15,952.12/22,012.90 = 8,878.36/x
  3. Step 3: Cross multiply
    15,952.12x = 22,012.90 × 8,878.36
  4. Step 4: Simplify right side
    15,952.12x = 195,438,450.84
  5. Step 5: Solve for x
    x = 195,438,450.84/15,952.12
  6. Step 6: Final answer
    x = 12,251.57

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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.