Home / 19,626.78-29,442.24-6,479.22

Finding the Fourth Proportional to 19,626.78, 29,442.24 and 6,479.22

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Solution

The fourth proportional to 19,626.78, 29,442.24 and 6,479.22 is: 9,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.78 : 29,442.24 = 6,479.22 : x
  2. Step 2: Convert to fraction form
    19,626.78/29,442.24 = 6,479.22/x
  3. Step 3: Cross multiply
    19,626.78x = 29,442.24 × 6,479.22
  4. Step 4: Simplify right side
    19,626.78x = 190,762,750.25
  5. Step 5: Solve for x
    x = 190,762,750.25/19,626.78
  6. Step 6: Final answer
    x = 9,719.51

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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.