Home / 10,143.11-15,214.68-3,567.77

Finding the Fourth Proportional to 10,143.11, 15,214.68 and 3,567.77

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Solution

The fourth proportional to 10,143.11, 15,214.68 and 3,567.77 is: 5,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.11 : 15,214.68 = 3,567.77 : x
  2. Step 2: Convert to fraction form
    10,143.11/15,214.68 = 3,567.77/x
  3. Step 3: Cross multiply
    10,143.11x = 15,214.68 × 3,567.77
  4. Step 4: Simplify right side
    10,143.11x = 54,282,478.86
  5. Step 5: Solve for x
    x = 54,282,478.86/10,143.11
  6. Step 6: Final answer
    x = 5,351.66

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1.5x scale

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.