Home / 15,915.04-23,872.96-4,228.24

Finding the Fourth Proportional to 15,915.04, 23,872.96 and 4,228.24

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Solution

The fourth proportional to 15,915.04, 23,872.96 and 4,228.24 is: 6,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.04 : 23,872.96 = 4,228.24 : x
  2. Step 2: Convert to fraction form
    15,915.04/23,872.96 = 4,228.24/x
  3. Step 3: Cross multiply
    15,915.04x = 23,872.96 × 4,228.24
  4. Step 4: Simplify right side
    15,915.04x = 100,940,604.39
  5. Step 5: Solve for x
    x = 100,940,604.39/15,915.04
  6. Step 6: Final answer
    x = 6,342.47

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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.