Home / 10,191.96-15,301.98-5,265

Finding the Fourth Proportional to 10,191.96, 15,301.98 and 5,265

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Solution

The fourth proportional to 10,191.96, 15,301.98 and 5,265 is: 7,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.96 : 15,301.98 = 5,265 : x
  2. Step 2: Convert to fraction form
    10,191.96/15,301.98 = 5,265/x
  3. Step 3: Cross multiply
    10,191.96x = 15,301.98 × 5,265
  4. Step 4: Simplify right side
    10,191.96x = 80,564,924.70
  5. Step 5: Solve for x
    x = 80,564,924.70/10,191.96
  6. Step 6: Final answer
    x = 7,904.75

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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.