Home / 19,760.60-29,642.46-6,613.02

Finding the Fourth Proportional to 19,760.60, 29,642.46 and 6,613.02

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Solution

The fourth proportional to 19,760.60, 29,642.46 and 6,613.02 is: 9,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.60 : 29,642.46 = 6,613.02 : x
  2. Step 2: Convert to fraction form
    19,760.60/29,642.46 = 6,613.02/x
  3. Step 3: Cross multiply
    19,760.60x = 29,642.46 × 6,613.02
  4. Step 4: Simplify right side
    19,760.60x = 196,026,180.83
  5. Step 5: Solve for x
    x = 196,026,180.83/19,760.60
  6. Step 6: Final answer
    x = 9,920.05

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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.