Home / 10,382.73-15,574.32-3,719.66

Finding the Fourth Proportional to 10,382.73, 15,574.32 and 3,719.66

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Solution

The fourth proportional to 10,382.73, 15,574.32 and 3,719.66 is: 5,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.73 : 15,574.32 = 3,719.66 : x
  2. Step 2: Convert to fraction form
    10,382.73/15,574.32 = 3,719.66/x
  3. Step 3: Cross multiply
    10,382.73x = 15,574.32 × 3,719.66
  4. Step 4: Simplify right side
    10,382.73x = 57,931,184.87
  5. Step 5: Solve for x
    x = 57,931,184.87/10,382.73
  6. Step 6: Final answer
    x = 5,579.57

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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.