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Finding the Fourth Proportional to 17,620.17, 26,430.17 and 8,266.74

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Solution

The fourth proportional to 17,620.17, 26,430.17 and 8,266.74 is: 12,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.17 : 26,430.17 = 8,266.74 : x
  2. Step 2: Convert to fraction form
    17,620.17/26,430.17 = 8,266.74/x
  3. Step 3: Cross multiply
    17,620.17x = 26,430.17 × 8,266.74
  4. Step 4: Simplify right side
    17,620.17x = 218,491,302.21
  5. Step 5: Solve for x
    x = 218,491,302.21/17,620.17
  6. Step 6: Final answer
    x = 12,400.07

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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.