Home / 36,221-54,339.18-11,260.40

Finding the Fourth Proportional to 36,221, 54,339.18 and 11,260.40

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Solution

The fourth proportional to 36,221, 54,339.18 and 11,260.40 is: 16,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221 : 54,339.18 = 11,260.40 : x
  2. Step 2: Convert to fraction form
    36,221/54,339.18 = 11,260.40/x
  3. Step 3: Cross multiply
    36,221x = 54,339.18 × 11,260.40
  4. Step 4: Simplify right side
    36,221x = 611,880,902.47
  5. Step 5: Solve for x
    x = 611,880,902.47/36,221
  6. Step 6: Final answer
    x = 16,892.99

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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.