Home / 9,427.57-14,141.39-3,187.64

Finding the Fourth Proportional to 9,427.57, 14,141.39 and 3,187.64

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Solution

The fourth proportional to 9,427.57, 14,141.39 and 3,187.64 is: 4,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.57 : 14,141.39 = 3,187.64 : x
  2. Step 2: Convert to fraction form
    9,427.57/14,141.39 = 3,187.64/x
  3. Step 3: Cross multiply
    9,427.57x = 14,141.39 × 3,187.64
  4. Step 4: Simplify right side
    9,427.57x = 45,077,573.77
  5. Step 5: Solve for x
    x = 45,077,573.77/9,427.57
  6. Step 6: Final answer
    x = 4,781.46

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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.