Home / 23,139.72-34,709.79-5,609.57

Finding the Fourth Proportional to 23,139.72, 34,709.79 and 5,609.57

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Solution

The fourth proportional to 23,139.72, 34,709.79 and 5,609.57 is: 8,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.72 : 34,709.79 = 5,609.57 : x
  2. Step 2: Convert to fraction form
    23,139.72/34,709.79 = 5,609.57/x
  3. Step 3: Cross multiply
    23,139.72x = 34,709.79 × 5,609.57
  4. Step 4: Simplify right side
    23,139.72x = 194,706,823.14
  5. Step 5: Solve for x
    x = 194,706,823.14/23,139.72
  6. Step 6: Final answer
    x = 8,414.40

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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.