Home / 9,427.70-14,141.58-3,187.76

Finding the Fourth Proportional to 9,427.70, 14,141.58 and 3,187.76

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Solution

The fourth proportional to 9,427.70, 14,141.58 and 3,187.76 is: 4,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.70 : 14,141.58 = 3,187.76 : x
  2. Step 2: Convert to fraction form
    9,427.70/14,141.58 = 3,187.76/x
  3. Step 3: Cross multiply
    9,427.70x = 14,141.58 × 3,187.76
  4. Step 4: Simplify right side
    9,427.70x = 45,079,947.12
  5. Step 5: Solve for x
    x = 45,079,947.12/9,427.70
  6. Step 6: Final answer
    x = 4,781.65

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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.