Home / 21,225.34-29,290.39-11,793.66

Finding the Fourth Proportional to 21,225.34, 29,290.39 and 11,793.66

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Solution

The fourth proportional to 21,225.34, 29,290.39 and 11,793.66 is: 16,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.34 : 29,290.39 = 11,793.66 : x
  2. Step 2: Convert to fraction form
    21,225.34/29,290.39 = 11,793.66/x
  3. Step 3: Cross multiply
    21,225.34x = 29,290.39 × 11,793.66
  4. Step 4: Simplify right side
    21,225.34x = 345,440,900.93
  5. Step 5: Solve for x
    x = 345,440,900.93/21,225.34
  6. Step 6: Final answer
    x = 16,274.93

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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.