Home / 11,102.56-16,631.88-8,332.36

Finding the Fourth Proportional to 11,102.56, 16,631.88 and 8,332.36

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Solution

The fourth proportional to 11,102.56, 16,631.88 and 8,332.36 is: 12,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.56 : 16,631.88 = 8,332.36 : x
  2. Step 2: Convert to fraction form
    11,102.56/16,631.88 = 8,332.36/x
  3. Step 3: Cross multiply
    11,102.56x = 16,631.88 × 8,332.36
  4. Step 4: Simplify right side
    11,102.56x = 138,582,811.64
  5. Step 5: Solve for x
    x = 138,582,811.64/11,102.56
  6. Step 6: Final answer
    x = 12,482.06

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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.