Home / 10,242.14-14,097.45-7,252.78

Finding the Fourth Proportional to 10,242.14, 14,097.45 and 7,252.78

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Solution

The fourth proportional to 10,242.14, 14,097.45 and 7,252.78 is: 9,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.14 : 14,097.45 = 7,252.78 : x
  2. Step 2: Convert to fraction form
    10,242.14/14,097.45 = 7,252.78/x
  3. Step 3: Cross multiply
    10,242.14x = 14,097.45 × 7,252.78
  4. Step 4: Simplify right side
    10,242.14x = 102,245,703.41
  5. Step 5: Solve for x
    x = 102,245,703.41/10,242.14
  6. Step 6: Final answer
    x = 9,982.85

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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.