Home / 11,200.65-15,451.72-7,223.04

Finding the Fourth Proportional to 11,200.65, 15,451.72 and 7,223.04

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Solution

The fourth proportional to 11,200.65, 15,451.72 and 7,223.04 is: 9,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.65 : 15,451.72 = 7,223.04 : x
  2. Step 2: Convert to fraction form
    11,200.65/15,451.72 = 7,223.04/x
  3. Step 3: Cross multiply
    11,200.65x = 15,451.72 × 7,223.04
  4. Step 4: Simplify right side
    11,200.65x = 111,608,391.63
  5. Step 5: Solve for x
    x = 111,608,391.63/11,200.65
  6. Step 6: Final answer
    x = 9,964.46

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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.