Home / 13,227.96-18,254.81-7,260.19

Finding the Fourth Proportional to 13,227.96, 18,254.81 and 7,260.19

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Solution

The fourth proportional to 13,227.96, 18,254.81 and 7,260.19 is: 10,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.96 : 18,254.81 = 7,260.19 : x
  2. Step 2: Convert to fraction form
    13,227.96/18,254.81 = 7,260.19/x
  3. Step 3: Cross multiply
    13,227.96x = 18,254.81 × 7,260.19
  4. Step 4: Simplify right side
    13,227.96x = 132,533,361.53
  5. Step 5: Solve for x
    x = 132,533,361.53/13,227.96
  6. Step 6: Final answer
    x = 10,019.18

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Half scale
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Double scale
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Similar ratio
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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.