Home / 13,241.93-18,275.37-8,462.12

Finding the Fourth Proportional to 13,241.93, 18,275.37 and 8,462.12

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Solution

The fourth proportional to 13,241.93, 18,275.37 and 8,462.12 is: 11,678.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.93 : 18,275.37 = 8,462.12 : x
  2. Step 2: Convert to fraction form
    13,241.93/18,275.37 = 8,462.12/x
  3. Step 3: Cross multiply
    13,241.93x = 18,275.37 × 8,462.12
  4. Step 4: Simplify right side
    13,241.93x = 154,648,373.98
  5. Step 5: Solve for x
    x = 154,648,373.98/13,241.93
  6. Step 6: Final answer
    x = 11,678.69

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Half scale
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Double scale
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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.