Home / 10,719.65-16,073.57-3,322.05

Finding the Fourth Proportional to 10,719.65, 16,073.57 and 3,322.05

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Solution

The fourth proportional to 10,719.65, 16,073.57 and 3,322.05 is: 4,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.65 : 16,073.57 = 3,322.05 : x
  2. Step 2: Convert to fraction form
    10,719.65/16,073.57 = 3,322.05/x
  3. Step 3: Cross multiply
    10,719.65x = 16,073.57 × 3,322.05
  4. Step 4: Simplify right side
    10,719.65x = 53,397,211.52
  5. Step 5: Solve for x
    x = 53,397,211.52/10,719.65
  6. Step 6: Final answer
    x = 4,981.25

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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.