Home / 22,289.04-30,758.94-12,863.07

Finding the Fourth Proportional to 22,289.04, 30,758.94 and 12,863.07

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Solution

The fourth proportional to 22,289.04, 30,758.94 and 12,863.07 is: 17,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.04 : 30,758.94 = 12,863.07 : x
  2. Step 2: Convert to fraction form
    22,289.04/30,758.94 = 12,863.07/x
  3. Step 3: Cross multiply
    22,289.04x = 30,758.94 × 12,863.07
  4. Step 4: Simplify right side
    22,289.04x = 395,654,398.35
  5. Step 5: Solve for x
    x = 395,654,398.35/22,289.04
  6. Step 6: Final answer
    x = 17,751.07

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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.