Home / 15,466.39-21,343.60-8,392.82

Finding the Fourth Proportional to 15,466.39, 21,343.60 and 8,392.82

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Solution

The fourth proportional to 15,466.39, 21,343.60 and 8,392.82 is: 11,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.39 : 21,343.60 = 8,392.82 : x
  2. Step 2: Convert to fraction form
    15,466.39/21,343.60 = 8,392.82/x
  3. Step 3: Cross multiply
    15,466.39x = 21,343.60 × 8,392.82
  4. Step 4: Simplify right side
    15,466.39x = 179,132,896.73
  5. Step 5: Solve for x
    x = 179,132,896.73/15,466.39
  6. Step 6: Final answer
    x = 11,582.07

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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.