Home / 9,427.58-14,135.55-3,187.00

Finding the Fourth Proportional to 9,427.58, 14,135.55 and 3,187.00

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Solution

The fourth proportional to 9,427.58, 14,135.55 and 3,187.00 is: 4,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.58 : 14,135.55 = 3,187.00 : x
  2. Step 2: Convert to fraction form
    9,427.58/14,135.55 = 3,187.00/x
  3. Step 3: Cross multiply
    9,427.58x = 14,135.55 × 3,187.00
  4. Step 4: Simplify right side
    9,427.58x = 45,049,919.20
  5. Step 5: Solve for x
    x = 45,049,919.20/9,427.58
  6. Step 6: Final answer
    x = 4,778.53

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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.