Home / 12,726.72-19,050.48-6,868.80

Finding the Fourth Proportional to 12,726.72, 19,050.48 and 6,868.80

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Solution

The fourth proportional to 12,726.72, 19,050.48 and 6,868.80 is: 10,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.72 : 19,050.48 = 6,868.80 : x
  2. Step 2: Convert to fraction form
    12,726.72/19,050.48 = 6,868.80/x
  3. Step 3: Cross multiply
    12,726.72x = 19,050.48 × 6,868.80
  4. Step 4: Simplify right side
    12,726.72x = 130,853,937.02
  5. Step 5: Solve for x
    x = 130,853,937.02/12,726.72
  6. Step 6: Final answer
    x = 10,281.83

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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.