Home / 9,218.43-13,818.90-3,675.18

Finding the Fourth Proportional to 9,218.43, 13,818.90 and 3,675.18

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Solution

The fourth proportional to 9,218.43, 13,818.90 and 3,675.18 is: 5,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.43 : 13,818.90 = 3,675.18 : x
  2. Step 2: Convert to fraction form
    9,218.43/13,818.90 = 3,675.18/x
  3. Step 3: Cross multiply
    9,218.43x = 13,818.90 × 3,675.18
  4. Step 4: Simplify right side
    9,218.43x = 50,786,944.90
  5. Step 5: Solve for x
    x = 50,786,944.90/9,218.43
  6. Step 6: Final answer
    x = 5,509.28

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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.