Home / 13,092.90-18,066.87-7,427.94

Finding the Fourth Proportional to 13,092.90, 18,066.87 and 7,427.94

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Solution

The fourth proportional to 13,092.90, 18,066.87 and 7,427.94 is: 10,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.90 : 18,066.87 = 7,427.94 : x
  2. Step 2: Convert to fraction form
    13,092.90/18,066.87 = 7,427.94/x
  3. Step 3: Cross multiply
    13,092.90x = 18,066.87 × 7,427.94
  4. Step 4: Simplify right side
    13,092.90x = 134,199,626.35
  5. Step 5: Solve for x
    x = 134,199,626.35/13,092.90
  6. Step 6: Final answer
    x = 10,249.80

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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.