Home / 11,713.85-17,570.79-2,948.70

Finding the Fourth Proportional to 11,713.85, 17,570.79 and 2,948.70

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Solution

The fourth proportional to 11,713.85, 17,570.79 and 2,948.70 is: 4,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.85 : 17,570.79 = 2,948.70 : x
  2. Step 2: Convert to fraction form
    11,713.85/17,570.79 = 2,948.70/x
  3. Step 3: Cross multiply
    11,713.85x = 17,570.79 × 2,948.70
  4. Step 4: Simplify right side
    11,713.85x = 51,810,988.47
  5. Step 5: Solve for x
    x = 51,810,988.47/11,713.85
  6. Step 6: Final answer
    x = 4,423.06

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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.