Home / 19,764.32-29,634.72-6,613.12

Finding the Fourth Proportional to 19,764.32, 29,634.72 and 6,613.12

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Solution

The fourth proportional to 19,764.32, 29,634.72 and 6,613.12 is: 9,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.32 : 29,634.72 = 6,613.12 : x
  2. Step 2: Convert to fraction form
    19,764.32/29,634.72 = 6,613.12/x
  3. Step 3: Cross multiply
    19,764.32x = 29,634.72 × 6,613.12
  4. Step 4: Simplify right side
    19,764.32x = 195,977,959.53
  5. Step 5: Solve for x
    x = 195,977,959.53/19,764.32
  6. Step 6: Final answer
    x = 9,915.75

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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.