Home / 22,751.04-34,131.20-12,894.72

Finding the Fourth Proportional to 22,751.04, 34,131.20 and 12,894.72

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Solution

The fourth proportional to 22,751.04, 34,131.20 and 12,894.72 is: 19,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.04 : 34,131.20 = 12,894.72 : x
  2. Step 2: Convert to fraction form
    22,751.04/34,131.20 = 12,894.72/x
  3. Step 3: Cross multiply
    22,751.04x = 34,131.20 × 12,894.72
  4. Step 4: Simplify right side
    22,751.04x = 440,112,267.26
  5. Step 5: Solve for x
    x = 440,112,267.26/22,751.04
  6. Step 6: Final answer
    x = 19,344.71

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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.