Home / 10,007.68-15,011.82-3,433.77

Finding the Fourth Proportional to 10,007.68, 15,011.82 and 3,433.77

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Solution

The fourth proportional to 10,007.68, 15,011.82 and 3,433.77 is: 5,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.68 : 15,011.82 = 3,433.77 : x
  2. Step 2: Convert to fraction form
    10,007.68/15,011.82 = 3,433.77/x
  3. Step 3: Cross multiply
    10,007.68x = 15,011.82 × 3,433.77
  4. Step 4: Simplify right side
    10,007.68x = 51,547,137.16
  5. Step 5: Solve for x
    x = 51,547,137.16/10,007.68
  6. Step 6: Final answer
    x = 5,150.76

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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.