Home / 22,458.20-30,993.09-12,386.95

Finding the Fourth Proportional to 22,458.20, 30,993.09 and 12,386.95

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Solution

The fourth proportional to 22,458.20, 30,993.09 and 12,386.95 is: 17,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.20 : 30,993.09 = 12,386.95 : x
  2. Step 2: Convert to fraction form
    22,458.20/30,993.09 = 12,386.95/x
  3. Step 3: Cross multiply
    22,458.20x = 30,993.09 × 12,386.95
  4. Step 4: Simplify right side
    22,458.20x = 383,909,856.18
  5. Step 5: Solve for x
    x = 383,909,856.18/22,458.20
  6. Step 6: Final answer
    x = 17,094.42

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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.