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Finding the Fourth Proportional to 15,401.00, 21,253.39 and 8,327.41

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Solution

The fourth proportional to 15,401.00, 21,253.39 and 8,327.41 is: 11,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.00 : 21,253.39 = 8,327.41 : x
  2. Step 2: Convert to fraction form
    15,401.00/21,253.39 = 8,327.41/x
  3. Step 3: Cross multiply
    15,401.00x = 21,253.39 × 8,327.41
  4. Step 4: Simplify right side
    15,401.00x = 176,985,618.47
  5. Step 5: Solve for x
    x = 176,985,618.47/15,401.00
  6. Step 6: Final answer
    x = 11,491.82

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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.