Home / 15,200.90-22,801.35-4,812.65

Finding the Fourth Proportional to 15,200.90, 22,801.35 and 4,812.65

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Solution

The fourth proportional to 15,200.90, 22,801.35 and 4,812.65 is: 7,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.90 : 22,801.35 = 4,812.65 : x
  2. Step 2: Convert to fraction form
    15,200.90/22,801.35 = 4,812.65/x
  3. Step 3: Cross multiply
    15,200.90x = 22,801.35 × 4,812.65
  4. Step 4: Simplify right side
    15,200.90x = 109,734,917.08
  5. Step 5: Solve for x
    x = 109,734,917.08/15,200.90
  6. Step 6: Final answer
    x = 7,218.98

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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.