Home / 13,226.06-18,251.33-7,257.60

Finding the Fourth Proportional to 13,226.06, 18,251.33 and 7,257.60

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Solution

The fourth proportional to 13,226.06, 18,251.33 and 7,257.60 is: 10,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.06 : 18,251.33 = 7,257.60 : x
  2. Step 2: Convert to fraction form
    13,226.06/18,251.33 = 7,257.60/x
  3. Step 3: Cross multiply
    13,226.06x = 18,251.33 × 7,257.60
  4. Step 4: Simplify right side
    13,226.06x = 132,460,779.50
  5. Step 5: Solve for x
    x = 132,460,779.50/13,226.06
  6. Step 6: Final answer
    x = 10,015.14

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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.