Home / 19,588.19-29,382.96-6,441.57

Finding the Fourth Proportional to 19,588.19, 29,382.96 and 6,441.57

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Solution

The fourth proportional to 19,588.19, 29,382.96 and 6,441.57 is: 9,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.19 : 29,382.96 = 6,441.57 : x
  2. Step 2: Convert to fraction form
    19,588.19/29,382.96 = 6,441.57/x
  3. Step 3: Cross multiply
    19,588.19x = 29,382.96 × 6,441.57
  4. Step 4: Simplify right side
    19,588.19x = 189,272,393.65
  5. Step 5: Solve for x
    x = 189,272,393.65/19,588.19
  6. Step 6: Final answer
    x = 9,662.58

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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.