Home / 19,627.68-29,442.48-6,479.76

Finding the Fourth Proportional to 19,627.68, 29,442.48 and 6,479.76

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Solution

The fourth proportional to 19,627.68, 29,442.48 and 6,479.76 is: 9,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.68 : 29,442.48 = 6,479.76 : x
  2. Step 2: Convert to fraction form
    19,627.68/29,442.48 = 6,479.76/x
  3. Step 3: Cross multiply
    19,627.68x = 29,442.48 × 6,479.76
  4. Step 4: Simplify right side
    19,627.68x = 190,780,204.20
  5. Step 5: Solve for x
    x = 190,780,204.20/19,627.68
  6. Step 6: Final answer
    x = 9,719.96

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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.