Home / 12,190.01-18,285.89-5,955.21

Finding the Fourth Proportional to 12,190.01, 18,285.89 and 5,955.21

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Solution

The fourth proportional to 12,190.01, 18,285.89 and 5,955.21 is: 8,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.01 : 18,285.89 = 5,955.21 : x
  2. Step 2: Convert to fraction form
    12,190.01/18,285.89 = 5,955.21/x
  3. Step 3: Cross multiply
    12,190.01x = 18,285.89 × 5,955.21
  4. Step 4: Simplify right side
    12,190.01x = 108,896,285.21
  5. Step 5: Solve for x
    x = 108,896,285.21/12,190.01
  6. Step 6: Final answer
    x = 8,933.24

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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.