Home / 19,441.08-29,155.32-6,290.64

Finding the Fourth Proportional to 19,441.08, 29,155.32 and 6,290.64

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Solution

The fourth proportional to 19,441.08, 29,155.32 and 6,290.64 is: 9,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.08 : 29,155.32 = 6,290.64 : x
  2. Step 2: Convert to fraction form
    19,441.08/29,155.32 = 6,290.64/x
  3. Step 3: Cross multiply
    19,441.08x = 29,155.32 × 6,290.64
  4. Step 4: Simplify right side
    19,441.08x = 183,405,622.20
  5. Step 5: Solve for x
    x = 183,405,622.20/19,441.08
  6. Step 6: Final answer
    x = 9,433.92

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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.