Home / 10,207.28-15,312-3,634.08

Finding the Fourth Proportional to 10,207.28, 15,312 and 3,634.08

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Solution

The fourth proportional to 10,207.28, 15,312 and 3,634.08 is: 5,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.28 : 15,312 = 3,634.08 : x
  2. Step 2: Convert to fraction form
    10,207.28/15,312 = 3,634.08/x
  3. Step 3: Cross multiply
    10,207.28x = 15,312 × 3,634.08
  4. Step 4: Simplify right side
    10,207.28x = 55,645,032.96
  5. Step 5: Solve for x
    x = 55,645,032.96/10,207.28
  6. Step 6: Final answer
    x = 5,451.50

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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.