Home / 15,277.80-22,884.30-12,685.80

Finding the Fourth Proportional to 15,277.80, 22,884.30 and 12,685.80

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Solution

The fourth proportional to 15,277.80, 22,884.30 and 12,685.80 is: 19,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.80 : 22,884.30 = 12,685.80 : x
  2. Step 2: Convert to fraction form
    15,277.80/22,884.30 = 12,685.80/x
  3. Step 3: Cross multiply
    15,277.80x = 22,884.30 × 12,685.80
  4. Step 4: Simplify right side
    15,277.80x = 290,305,652.94
  5. Step 5: Solve for x
    x = 290,305,652.94/15,277.80
  6. Step 6: Final answer
    x = 19,001.80

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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.