Home / 10,010.30-15,051.90-9,791.60

Finding the Fourth Proportional to 10,010.30, 15,051.90 and 9,791.60

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Solution

The fourth proportional to 10,010.30, 15,051.90 and 9,791.60 is: 14,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.30 : 15,051.90 = 9,791.60 : x
  2. Step 2: Convert to fraction form
    10,010.30/15,051.90 = 9,791.60/x
  3. Step 3: Cross multiply
    10,010.30x = 15,051.90 × 9,791.60
  4. Step 4: Simplify right side
    10,010.30x = 147,382,184.04
  5. Step 5: Solve for x
    x = 147,382,184.04/10,010.30
  6. Step 6: Final answer
    x = 14,723.05

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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.