Home / 15,673.29-23,519.13-5,819.40

Finding the Fourth Proportional to 15,673.29, 23,519.13 and 5,819.40

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Solution

The fourth proportional to 15,673.29, 23,519.13 and 5,819.40 is: 8,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.29 : 23,519.13 = 5,819.40 : x
  2. Step 2: Convert to fraction form
    15,673.29/23,519.13 = 5,819.40/x
  3. Step 3: Cross multiply
    15,673.29x = 23,519.13 × 5,819.40
  4. Step 4: Simplify right side
    15,673.29x = 136,867,225.12
  5. Step 5: Solve for x
    x = 136,867,225.12/15,673.29
  6. Step 6: Final answer
    x = 8,732.51

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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.