Home / 19,207.05-28,789.73-9,834.21

Finding the Fourth Proportional to 19,207.05, 28,789.73 and 9,834.21

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Solution

The fourth proportional to 19,207.05, 28,789.73 and 9,834.21 is: 14,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.05 : 28,789.73 = 9,834.21 : x
  2. Step 2: Convert to fraction form
    19,207.05/28,789.73 = 9,834.21/x
  3. Step 3: Cross multiply
    19,207.05x = 28,789.73 × 9,834.21
  4. Step 4: Simplify right side
    19,207.05x = 283,124,250.66
  5. Step 5: Solve for x
    x = 283,124,250.66/19,207.05
  6. Step 6: Final answer
    x = 14,740.64

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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.