Home / 10,245.13-15,371.34-5,054.65

Finding the Fourth Proportional to 10,245.13, 15,371.34 and 5,054.65

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Solution

The fourth proportional to 10,245.13, 15,371.34 and 5,054.65 is: 7,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.13 : 15,371.34 = 5,054.65 : x
  2. Step 2: Convert to fraction form
    10,245.13/15,371.34 = 5,054.65/x
  3. Step 3: Cross multiply
    10,245.13x = 15,371.34 × 5,054.65
  4. Step 4: Simplify right side
    10,245.13x = 77,696,641.60
  5. Step 5: Solve for x
    x = 77,696,641.60/10,245.13
  6. Step 6: Final answer
    x = 7,583.77

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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.