Home / 10,185.13-15,242.46-7,044.05

Finding the Fourth Proportional to 10,185.13, 15,242.46 and 7,044.05

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Solution

The fourth proportional to 10,185.13, 15,242.46 and 7,044.05 is: 10,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.13 : 15,242.46 = 7,044.05 : x
  2. Step 2: Convert to fraction form
    10,185.13/15,242.46 = 7,044.05/x
  3. Step 3: Cross multiply
    10,185.13x = 15,242.46 × 7,044.05
  4. Step 4: Simplify right side
    10,185.13x = 107,368,650.36
  5. Step 5: Solve for x
    x = 107,368,650.36/10,185.13
  6. Step 6: Final answer
    x = 10,541.71

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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.