Home / 15,466.90-21,344.38-8,393.33

Finding the Fourth Proportional to 15,466.90, 21,344.38 and 8,393.33

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Solution

The fourth proportional to 15,466.90, 21,344.38 and 8,393.33 is: 11,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.90 : 21,344.38 = 8,393.33 : x
  2. Step 2: Convert to fraction form
    15,466.90/21,344.38 = 8,393.33/x
  3. Step 3: Cross multiply
    15,466.90x = 21,344.38 × 8,393.33
  4. Step 4: Simplify right side
    15,466.90x = 179,150,424.99
  5. Step 5: Solve for x
    x = 179,150,424.99/15,466.90
  6. Step 6: Final answer
    x = 11,582.83

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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.