Home / 10,519.38-14,516.37-5,803.65

Finding the Fourth Proportional to 10,519.38, 14,516.37 and 5,803.65

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Solution

The fourth proportional to 10,519.38, 14,516.37 and 5,803.65 is: 8,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.38 : 14,516.37 = 5,803.65 : x
  2. Step 2: Convert to fraction form
    10,519.38/14,516.37 = 5,803.65/x
  3. Step 3: Cross multiply
    10,519.38x = 14,516.37 × 5,803.65
  4. Step 4: Simplify right side
    10,519.38x = 84,247,930.75
  5. Step 5: Solve for x
    x = 84,247,930.75/10,519.38
  6. Step 6: Final answer
    x = 8,008.83

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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.