Home / 11,540.18-17,312.70-3,748.38

Finding the Fourth Proportional to 11,540.18, 17,312.70 and 3,748.38

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Solution

The fourth proportional to 11,540.18, 17,312.70 and 3,748.38 is: 5,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.18 : 17,312.70 = 3,748.38 : x
  2. Step 2: Convert to fraction form
    11,540.18/17,312.70 = 3,748.38/x
  3. Step 3: Cross multiply
    11,540.18x = 17,312.70 × 3,748.38
  4. Step 4: Simplify right side
    11,540.18x = 64,894,578.43
  5. Step 5: Solve for x
    x = 64,894,578.43/11,540.18
  6. Step 6: Final answer
    x = 5,623.36

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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.