Home / 9,915.63-14,872.35-4,072.24

Finding the Fourth Proportional to 9,915.63, 14,872.35 and 4,072.24

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Solution

The fourth proportional to 9,915.63, 14,872.35 and 4,072.24 is: 6,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.63 : 14,872.35 = 4,072.24 : x
  2. Step 2: Convert to fraction form
    9,915.63/14,872.35 = 4,072.24/x
  3. Step 3: Cross multiply
    9,915.63x = 14,872.35 × 4,072.24
  4. Step 4: Simplify right side
    9,915.63x = 60,563,778.56
  5. Step 5: Solve for x
    x = 60,563,778.56/9,915.63
  6. Step 6: Final answer
    x = 6,107.91

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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.