Home / 9,819.29-14,720.15-3,574.90

Finding the Fourth Proportional to 9,819.29, 14,720.15 and 3,574.90

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Solution

The fourth proportional to 9,819.29, 14,720.15 and 3,574.90 is: 5,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.29 : 14,720.15 = 3,574.90 : x
  2. Step 2: Convert to fraction form
    9,819.29/14,720.15 = 3,574.90/x
  3. Step 3: Cross multiply
    9,819.29x = 14,720.15 × 3,574.90
  4. Step 4: Simplify right side
    9,819.29x = 52,623,064.24
  5. Step 5: Solve for x
    x = 52,623,064.24/9,819.29
  6. Step 6: Final answer
    x = 5,359.15

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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.