Home / 18,426.48-27,622.44-9,190.32

Finding the Fourth Proportional to 18,426.48, 27,622.44 and 9,190.32

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Solution

The fourth proportional to 18,426.48, 27,622.44 and 9,190.32 is: 13,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.48 : 27,622.44 = 9,190.32 : x
  2. Step 2: Convert to fraction form
    18,426.48/27,622.44 = 9,190.32/x
  3. Step 3: Cross multiply
    18,426.48x = 27,622.44 × 9,190.32
  4. Step 4: Simplify right side
    18,426.48x = 253,859,062.78
  5. Step 5: Solve for x
    x = 253,859,062.78/18,426.48
  6. Step 6: Final answer
    x = 13,776.86

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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.