Home / 23,170.90-34,751.01-13,813.55

Finding the Fourth Proportional to 23,170.90, 34,751.01 and 13,813.55

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Solution

The fourth proportional to 23,170.90, 34,751.01 and 13,813.55 is: 20,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.90 : 34,751.01 = 13,813.55 : x
  2. Step 2: Convert to fraction form
    23,170.90/34,751.01 = 13,813.55/x
  3. Step 3: Cross multiply
    23,170.90x = 34,751.01 × 13,813.55
  4. Step 4: Simplify right side
    23,170.90x = 480,034,814.19
  5. Step 5: Solve for x
    x = 480,034,814.19/23,170.90
  6. Step 6: Final answer
    x = 20,717.15

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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.