Home / 10,188.90-15,282.72-3,614.22

Finding the Fourth Proportional to 10,188.90, 15,282.72 and 3,614.22

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Solution

The fourth proportional to 10,188.90, 15,282.72 and 3,614.22 is: 5,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.90 : 15,282.72 = 3,614.22 : x
  2. Step 2: Convert to fraction form
    10,188.90/15,282.72 = 3,614.22/x
  3. Step 3: Cross multiply
    10,188.90x = 15,282.72 × 3,614.22
  4. Step 4: Simplify right side
    10,188.90x = 55,235,112.28
  5. Step 5: Solve for x
    x = 55,235,112.28/10,188.90
  6. Step 6: Final answer
    x = 5,421.11

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1.5x scale

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.