Home / 22,626.63-31,223.34-13,668.84

Finding the Fourth Proportional to 22,626.63, 31,223.34 and 13,668.84

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Solution

The fourth proportional to 22,626.63, 31,223.34 and 13,668.84 is: 18,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.63 : 31,223.34 = 13,668.84 : x
  2. Step 2: Convert to fraction form
    22,626.63/31,223.34 = 13,668.84/x
  3. Step 3: Cross multiply
    22,626.63x = 31,223.34 × 13,668.84
  4. Step 4: Simplify right side
    22,626.63x = 426,786,838.73
  5. Step 5: Solve for x
    x = 426,786,838.73/22,626.63
  6. Step 6: Final answer
    x = 18,862.15

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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.