Home / 22,285.80-30,754.89-12,854.16

Finding the Fourth Proportional to 22,285.80, 30,754.89 and 12,854.16

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Solution

The fourth proportional to 22,285.80, 30,754.89 and 12,854.16 is: 17,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.80 : 30,754.89 = 12,854.16 : x
  2. Step 2: Convert to fraction form
    22,285.80/30,754.89 = 12,854.16/x
  3. Step 3: Cross multiply
    22,285.80x = 30,754.89 × 12,854.16
  4. Step 4: Simplify right side
    22,285.80x = 395,328,276.84
  5. Step 5: Solve for x
    x = 395,328,276.84/22,285.80
  6. Step 6: Final answer
    x = 17,739.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.