Home / 15,472.89-23,205.62-7,144.91

Finding the Fourth Proportional to 15,472.89, 23,205.62 and 7,144.91

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Solution

The fourth proportional to 15,472.89, 23,205.62 and 7,144.91 is: 10,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.89 : 23,205.62 = 7,144.91 : x
  2. Step 2: Convert to fraction form
    15,472.89/23,205.62 = 7,144.91/x
  3. Step 3: Cross multiply
    15,472.89x = 23,205.62 × 7,144.91
  4. Step 4: Simplify right side
    15,472.89x = 165,801,914.64
  5. Step 5: Solve for x
    x = 165,801,914.64/15,472.89
  6. Step 6: Final answer
    x = 10,715.64

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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.