Home / 19,627.20-29,446.92-6,488.79

Finding the Fourth Proportional to 19,627.20, 29,446.92 and 6,488.79

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Solution

The fourth proportional to 19,627.20, 29,446.92 and 6,488.79 is: 9,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.20 : 29,446.92 = 6,488.79 : x
  2. Step 2: Convert to fraction form
    19,627.20/29,446.92 = 6,488.79/x
  3. Step 3: Cross multiply
    19,627.20x = 29,446.92 × 6,488.79
  4. Step 4: Simplify right side
    19,627.20x = 191,074,880.03
  5. Step 5: Solve for x
    x = 191,074,880.03/19,627.20
  6. Step 6: Final answer
    x = 9,735.21

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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.