Home / 22,668.33-31,280.46-13,108.84

Finding the Fourth Proportional to 22,668.33, 31,280.46 and 13,108.84

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Solution

The fourth proportional to 22,668.33, 31,280.46 and 13,108.84 is: 18,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.33 : 31,280.46 = 13,108.84 : x
  2. Step 2: Convert to fraction form
    22,668.33/31,280.46 = 13,108.84/x
  3. Step 3: Cross multiply
    22,668.33x = 31,280.46 × 13,108.84
  4. Step 4: Simplify right side
    22,668.33x = 410,050,545.27
  5. Step 5: Solve for x
    x = 410,050,545.27/22,668.33
  6. Step 6: Final answer
    x = 18,089.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.