Home / 21,089.24-31,635.22-10,556.10

Finding the Fourth Proportional to 21,089.24, 31,635.22 and 10,556.10

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Solution

The fourth proportional to 21,089.24, 31,635.22 and 10,556.10 is: 15,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,089.24 : 31,635.22 = 10,556.10 : x
  2. Step 2: Convert to fraction form
    21,089.24/31,635.22 = 10,556.10/x
  3. Step 3: Cross multiply
    21,089.24x = 31,635.22 × 10,556.10
  4. Step 4: Simplify right side
    21,089.24x = 333,944,545.84
  5. Step 5: Solve for x
    x = 333,944,545.84/21,089.24
  6. Step 6: Final answer
    x = 15,834.83

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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.