Home / 11,131.77-16,695.56-5,583.63

Finding the Fourth Proportional to 11,131.77, 16,695.56 and 5,583.63

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Solution

The fourth proportional to 11,131.77, 16,695.56 and 5,583.63 is: 8,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.77 : 16,695.56 = 5,583.63 : x
  2. Step 2: Convert to fraction form
    11,131.77/16,695.56 = 5,583.63/x
  3. Step 3: Cross multiply
    11,131.77x = 16,695.56 × 5,583.63
  4. Step 4: Simplify right side
    11,131.77x = 93,221,906.25
  5. Step 5: Solve for x
    x = 93,221,906.25/11,131.77
  6. Step 6: Final answer
    x = 8,374.40

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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.