Home / 15,281.80-22,920.24-4,185.89

Finding the Fourth Proportional to 15,281.80, 22,920.24 and 4,185.89

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Solution

The fourth proportional to 15,281.80, 22,920.24 and 4,185.89 is: 6,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.80 : 22,920.24 = 4,185.89 : x
  2. Step 2: Convert to fraction form
    15,281.80/22,920.24 = 4,185.89/x
  3. Step 3: Cross multiply
    15,281.80x = 22,920.24 × 4,185.89
  4. Step 4: Simplify right side
    15,281.80x = 95,941,652.87
  5. Step 5: Solve for x
    x = 95,941,652.87/15,281.80
  6. Step 6: Final answer
    x = 6,278.17

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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.