Home / 10,371.30-15,559.25-2,975.19

Finding the Fourth Proportional to 10,371.30, 15,559.25 and 2,975.19

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Solution

The fourth proportional to 10,371.30, 15,559.25 and 2,975.19 is: 4,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.30 : 15,559.25 = 2,975.19 : x
  2. Step 2: Convert to fraction form
    10,371.30/15,559.25 = 2,975.19/x
  3. Step 3: Cross multiply
    10,371.30x = 15,559.25 × 2,975.19
  4. Step 4: Simplify right side
    10,371.30x = 46,291,668.52
  5. Step 5: Solve for x
    x = 46,291,668.52/10,371.30
  6. Step 6: Final answer
    x = 4,463.44

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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.