Home / 13,260.25-18,299.27-7,291.96

Finding the Fourth Proportional to 13,260.25, 18,299.27 and 7,291.96

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Solution

The fourth proportional to 13,260.25, 18,299.27 and 7,291.96 is: 10,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.25 : 18,299.27 = 7,291.96 : x
  2. Step 2: Convert to fraction form
    13,260.25/18,299.27 = 7,291.96/x
  3. Step 3: Cross multiply
    13,260.25x = 18,299.27 × 7,291.96
  4. Step 4: Simplify right side
    13,260.25x = 133,437,517.35
  5. Step 5: Solve for x
    x = 133,437,517.35/13,260.25
  6. Step 6: Final answer
    x = 10,062.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.