Home / 13,461.24-20,191.68-4,696.11

Finding the Fourth Proportional to 13,461.24, 20,191.68 and 4,696.11

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Solution

The fourth proportional to 13,461.24, 20,191.68 and 4,696.11 is: 7,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.24 : 20,191.68 = 4,696.11 : x
  2. Step 2: Convert to fraction form
    13,461.24/20,191.68 = 4,696.11/x
  3. Step 3: Cross multiply
    13,461.24x = 20,191.68 × 4,696.11
  4. Step 4: Simplify right side
    13,461.24x = 94,822,350.36
  5. Step 5: Solve for x
    x = 94,822,350.36/13,461.24
  6. Step 6: Final answer
    x = 7,044.10

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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.