Home / 19,468.08-29,198.88-7,778.16

Finding the Fourth Proportional to 19,468.08, 29,198.88 and 7,778.16

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Solution

The fourth proportional to 19,468.08, 29,198.88 and 7,778.16 is: 11,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.08 : 29,198.88 = 7,778.16 : x
  2. Step 2: Convert to fraction form
    19,468.08/29,198.88 = 7,778.16/x
  3. Step 3: Cross multiply
    19,468.08x = 29,198.88 × 7,778.16
  4. Step 4: Simplify right side
    19,468.08x = 227,113,560.46
  5. Step 5: Solve for x
    x = 227,113,560.46/19,468.08
  6. Step 6: Final answer
    x = 11,665.95

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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.