Home / 9,427.76-14,141.67-3,187.82

Finding the Fourth Proportional to 9,427.76, 14,141.67 and 3,187.82

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Solution

The fourth proportional to 9,427.76, 14,141.67 and 3,187.82 is: 4,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.76 : 14,141.67 = 3,187.82 : x
  2. Step 2: Convert to fraction form
    9,427.76/14,141.67 = 3,187.82/x
  3. Step 3: Cross multiply
    9,427.76x = 14,141.67 × 3,187.82
  4. Step 4: Simplify right side
    9,427.76x = 45,081,027.75
  5. Step 5: Solve for x
    x = 45,081,027.75/9,427.76
  6. Step 6: Final answer
    x = 4,781.74

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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.