Home / 19,013.62-28,521.24-5,865.70

Finding the Fourth Proportional to 19,013.62, 28,521.24 and 5,865.70

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Solution

The fourth proportional to 19,013.62, 28,521.24 and 5,865.70 is: 8,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.62 : 28,521.24 = 5,865.70 : x
  2. Step 2: Convert to fraction form
    19,013.62/28,521.24 = 5,865.70/x
  3. Step 3: Cross multiply
    19,013.62x = 28,521.24 × 5,865.70
  4. Step 4: Simplify right side
    19,013.62x = 167,297,037.47
  5. Step 5: Solve for x
    x = 167,297,037.47/19,013.62
  6. Step 6: Final answer
    x = 8,798.80

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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.