Home / 15,472.70-23,209.49-3,785.91

Finding the Fourth Proportional to 15,472.70, 23,209.49 and 3,785.91

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Solution

The fourth proportional to 15,472.70, 23,209.49 and 3,785.91 is: 5,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.70 : 23,209.49 = 3,785.91 : x
  2. Step 2: Convert to fraction form
    15,472.70/23,209.49 = 3,785.91/x
  3. Step 3: Cross multiply
    15,472.70x = 23,209.49 × 3,785.91
  4. Step 4: Simplify right side
    15,472.70x = 87,869,021.36
  5. Step 5: Solve for x
    x = 87,869,021.36/15,472.70
  6. Step 6: Final answer
    x = 5,678.97

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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.