Home / 15,121.80-22,686.30-6,352.20

Finding the Fourth Proportional to 15,121.80, 22,686.30 and 6,352.20

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Solution

The fourth proportional to 15,121.80, 22,686.30 and 6,352.20 is: 9,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.80 : 22,686.30 = 6,352.20 : x
  2. Step 2: Convert to fraction form
    15,121.80/22,686.30 = 6,352.20/x
  3. Step 3: Cross multiply
    15,121.80x = 22,686.30 × 6,352.20
  4. Step 4: Simplify right side
    15,121.80x = 144,107,914.86
  5. Step 5: Solve for x
    x = 144,107,914.86/15,121.80
  6. Step 6: Final answer
    x = 9,529.81

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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.