Home / 22,307.84-30,787.56-12,876.41

Finding the Fourth Proportional to 22,307.84, 30,787.56 and 12,876.41

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Solution

The fourth proportional to 22,307.84, 30,787.56 and 12,876.41 is: 17,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.84 : 30,787.56 = 12,876.41 : x
  2. Step 2: Convert to fraction form
    22,307.84/30,787.56 = 12,876.41/x
  3. Step 3: Cross multiply
    22,307.84x = 30,787.56 × 12,876.41
  4. Step 4: Simplify right side
    22,307.84x = 396,433,245.46
  5. Step 5: Solve for x
    x = 396,433,245.46/22,307.84
  6. Step 6: Final answer
    x = 17,771.03

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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.