Home / 18,240.18-27,360.26-14,086.24

Finding the Fourth Proportional to 18,240.18, 27,360.26 and 14,086.24

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Solution

The fourth proportional to 18,240.18, 27,360.26 and 14,086.24 is: 21,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.18 : 27,360.26 = 14,086.24 : x
  2. Step 2: Convert to fraction form
    18,240.18/27,360.26 = 14,086.24/x
  3. Step 3: Cross multiply
    18,240.18x = 27,360.26 × 14,086.24
  4. Step 4: Simplify right side
    18,240.18x = 385,403,188.82
  5. Step 5: Solve for x
    x = 385,403,188.82/18,240.18
  6. Step 6: Final answer
    x = 21,129.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.