Home / 10,347.99-15,516.61-5,080.65

Finding the Fourth Proportional to 10,347.99, 15,516.61 and 5,080.65

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Solution

The fourth proportional to 10,347.99, 15,516.61 and 5,080.65 is: 7,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.99 : 15,516.61 = 5,080.65 : x
  2. Step 2: Convert to fraction form
    10,347.99/15,516.61 = 5,080.65/x
  3. Step 3: Cross multiply
    10,347.99x = 15,516.61 × 5,080.65
  4. Step 4: Simplify right side
    10,347.99x = 78,834,464.60
  5. Step 5: Solve for x
    x = 78,834,464.60/10,347.99
  6. Step 6: Final answer
    x = 7,618.34

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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.