Home / 13,232.26-18,260.39-7,263.78

Finding the Fourth Proportional to 13,232.26, 18,260.39 and 7,263.78

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Solution

The fourth proportional to 13,232.26, 18,260.39 and 7,263.78 is: 10,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.26 : 18,260.39 = 7,263.78 : x
  2. Step 2: Convert to fraction form
    13,232.26/18,260.39 = 7,263.78/x
  3. Step 3: Cross multiply
    13,232.26x = 18,260.39 × 7,263.78
  4. Step 4: Simplify right side
    13,232.26x = 132,639,364.50
  5. Step 5: Solve for x
    x = 132,639,364.50/13,232.26
  6. Step 6: Final answer
    x = 10,023.94

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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.