Home / 21,266.22-29,348.34-11,834.76

Finding the Fourth Proportional to 21,266.22, 29,348.34 and 11,834.76

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Solution

The fourth proportional to 21,266.22, 29,348.34 and 11,834.76 is: 16,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.22 : 29,348.34 = 11,834.76 : x
  2. Step 2: Convert to fraction form
    21,266.22/29,348.34 = 11,834.76/x
  3. Step 3: Cross multiply
    21,266.22x = 29,348.34 × 11,834.76
  4. Step 4: Simplify right side
    21,266.22x = 347,330,560.30
  5. Step 5: Solve for x
    x = 347,330,560.30/21,266.22
  6. Step 6: Final answer
    x = 16,332.50

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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.