Home / 22,360.74-30,857.19-12,289.18

Finding the Fourth Proportional to 22,360.74, 30,857.19 and 12,289.18

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Solution

The fourth proportional to 22,360.74, 30,857.19 and 12,289.18 is: 16,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.74 : 30,857.19 = 12,289.18 : x
  2. Step 2: Convert to fraction form
    22,360.74/30,857.19 = 12,289.18/x
  3. Step 3: Cross multiply
    22,360.74x = 30,857.19 × 12,289.18
  4. Step 4: Simplify right side
    22,360.74x = 379,209,562.20
  5. Step 5: Solve for x
    x = 379,209,562.20/22,360.74
  6. Step 6: Final answer
    x = 16,958.72

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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.