Home / 22,438.33-30,963.63-12,366.74

Finding the Fourth Proportional to 22,438.33, 30,963.63 and 12,366.74

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Solution

The fourth proportional to 22,438.33, 30,963.63 and 12,366.74 is: 17,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.33 : 30,963.63 = 12,366.74 : x
  2. Step 2: Convert to fraction form
    22,438.33/30,963.63 = 12,366.74/x
  3. Step 3: Cross multiply
    22,438.33x = 30,963.63 × 12,366.74
  4. Step 4: Simplify right side
    22,438.33x = 382,919,285.45
  5. Step 5: Solve for x
    x = 382,919,285.45/22,438.33
  6. Step 6: Final answer
    x = 17,065.41

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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.