Home / 15,278.79-22,914.65-5,915.70

Finding the Fourth Proportional to 15,278.79, 22,914.65 and 5,915.70

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Solution

The fourth proportional to 15,278.79, 22,914.65 and 5,915.70 is: 8,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.79 : 22,914.65 = 5,915.70 : x
  2. Step 2: Convert to fraction form
    15,278.79/22,914.65 = 5,915.70/x
  3. Step 3: Cross multiply
    15,278.79x = 22,914.65 × 5,915.70
  4. Step 4: Simplify right side
    15,278.79x = 135,556,195.01
  5. Step 5: Solve for x
    x = 135,556,195.01/15,278.79
  6. Step 6: Final answer
    x = 8,872.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.