Home / 14,358.33-21,545.64-7,789.05

Finding the Fourth Proportional to 14,358.33, 21,545.64 and 7,789.05

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Solution

The fourth proportional to 14,358.33, 21,545.64 and 7,789.05 is: 11,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.33 : 21,545.64 = 7,789.05 : x
  2. Step 2: Convert to fraction form
    14,358.33/21,545.64 = 7,789.05/x
  3. Step 3: Cross multiply
    14,358.33x = 21,545.64 × 7,789.05
  4. Step 4: Simplify right side
    14,358.33x = 167,820,067.24
  5. Step 5: Solve for x
    x = 167,820,067.24/14,358.33
  6. Step 6: Final answer
    x = 11,687.99

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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.