Home / 13,204.80-19,834.56-12,761.91

Finding the Fourth Proportional to 13,204.80, 19,834.56 and 12,761.91

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Solution

The fourth proportional to 13,204.80, 19,834.56 and 12,761.91 is: 19,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.80 : 19,834.56 = 12,761.91 : x
  2. Step 2: Convert to fraction form
    13,204.80/19,834.56 = 12,761.91/x
  3. Step 3: Cross multiply
    13,204.80x = 19,834.56 × 12,761.91
  4. Step 4: Simplify right side
    13,204.80x = 253,126,869.61
  5. Step 5: Solve for x
    x = 253,126,869.61/13,204.80
  6. Step 6: Final answer
    x = 19,169.31

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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.