Home / 13,250.22-18,285.09-7,281.76

Finding the Fourth Proportional to 13,250.22, 18,285.09 and 7,281.76

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Solution

The fourth proportional to 13,250.22, 18,285.09 and 7,281.76 is: 10,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.22 : 18,285.09 = 7,281.76 : x
  2. Step 2: Convert to fraction form
    13,250.22/18,285.09 = 7,281.76/x
  3. Step 3: Cross multiply
    13,250.22x = 18,285.09 × 7,281.76
  4. Step 4: Simplify right side
    13,250.22x = 133,147,591.25
  5. Step 5: Solve for x
    x = 133,147,591.25/13,250.22
  6. Step 6: Final answer
    x = 10,048.71

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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.