Home / 19,785.01-29,667.95-7,310.91

Finding the Fourth Proportional to 19,785.01, 29,667.95 and 7,310.91

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Solution

The fourth proportional to 19,785.01, 29,667.95 and 7,310.91 is: 10,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.01 : 29,667.95 = 7,310.91 : x
  2. Step 2: Convert to fraction form
    19,785.01/29,667.95 = 7,310.91/x
  3. Step 3: Cross multiply
    19,785.01x = 29,667.95 × 7,310.91
  4. Step 4: Simplify right side
    19,785.01x = 216,899,712.33
  5. Step 5: Solve for x
    x = 216,899,712.33/19,785.01
  6. Step 6: Final answer
    x = 10,962.83

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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.