Home / 34,011.11-51,016.79-10,318.86

Finding the Fourth Proportional to 34,011.11, 51,016.79 and 10,318.86

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Solution

The fourth proportional to 34,011.11, 51,016.79 and 10,318.86 is: 15,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,011.11 : 51,016.79 = 10,318.86 : x
  2. Step 2: Convert to fraction form
    34,011.11/51,016.79 = 10,318.86/x
  3. Step 3: Cross multiply
    34,011.11x = 51,016.79 × 10,318.86
  4. Step 4: Simplify right side
    34,011.11x = 526,435,113.66
  5. Step 5: Solve for x
    x = 526,435,113.66/34,011.11
  6. Step 6: Final answer
    x = 15,478.33

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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.