Home / 13,228.44-18,254.21-7,260.09

Finding the Fourth Proportional to 13,228.44, 18,254.21 and 7,260.09

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Solution

The fourth proportional to 13,228.44, 18,254.21 and 7,260.09 is: 10,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.44 : 18,254.21 = 7,260.09 : x
  2. Step 2: Convert to fraction form
    13,228.44/18,254.21 = 7,260.09/x
  3. Step 3: Cross multiply
    13,228.44x = 18,254.21 × 7,260.09
  4. Step 4: Simplify right side
    13,228.44x = 132,527,171.18
  5. Step 5: Solve for x
    x = 132,527,171.18/13,228.44
  6. Step 6: Final answer
    x = 10,018.35

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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.