Home / 19,440.16-29,155.34-5,589.16

Finding the Fourth Proportional to 19,440.16, 29,155.34 and 5,589.16

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Solution

The fourth proportional to 19,440.16, 29,155.34 and 5,589.16 is: 8,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.16 : 29,155.34 = 5,589.16 : x
  2. Step 2: Convert to fraction form
    19,440.16/29,155.34 = 5,589.16/x
  3. Step 3: Cross multiply
    19,440.16x = 29,155.34 × 5,589.16
  4. Step 4: Simplify right side
    19,440.16x = 162,953,860.11
  5. Step 5: Solve for x
    x = 162,953,860.11/19,440.16
  6. Step 6: Final answer
    x = 8,382.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.