Home / 10,212.65-15,319.92-3,973.14

Finding the Fourth Proportional to 10,212.65, 15,319.92 and 3,973.14

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Solution

The fourth proportional to 10,212.65, 15,319.92 and 3,973.14 is: 5,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.65 : 15,319.92 = 3,973.14 : x
  2. Step 2: Convert to fraction form
    10,212.65/15,319.92 = 3,973.14/x
  3. Step 3: Cross multiply
    10,212.65x = 15,319.92 × 3,973.14
  4. Step 4: Simplify right side
    10,212.65x = 60,868,186.95
  5. Step 5: Solve for x
    x = 60,868,186.95/10,212.65
  6. Step 6: Final answer
    x = 5,960.08

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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.