Home / 10,006.29-15,007.68-2,986.11

Finding the Fourth Proportional to 10,006.29, 15,007.68 and 2,986.11

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Solution

The fourth proportional to 10,006.29, 15,007.68 and 2,986.11 is: 4,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.29 : 15,007.68 = 2,986.11 : x
  2. Step 2: Convert to fraction form
    10,006.29/15,007.68 = 2,986.11/x
  3. Step 3: Cross multiply
    10,006.29x = 15,007.68 × 2,986.11
  4. Step 4: Simplify right side
    10,006.29x = 44,814,583.32
  5. Step 5: Solve for x
    x = 44,814,583.32/10,006.29
  6. Step 6: Final answer
    x = 4,478.64

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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.