Home / 19,460.95-29,144.61-11,115.64

Finding the Fourth Proportional to 19,460.95, 29,144.61 and 11,115.64

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Solution

The fourth proportional to 19,460.95, 29,144.61 and 11,115.64 is: 16,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.95 : 29,144.61 = 11,115.64 : x
  2. Step 2: Convert to fraction form
    19,460.95/29,144.61 = 11,115.64/x
  3. Step 3: Cross multiply
    19,460.95x = 29,144.61 × 11,115.64
  4. Step 4: Simplify right side
    19,460.95x = 323,960,992.70
  5. Step 5: Solve for x
    x = 323,960,992.70/19,460.95
  6. Step 6: Final answer
    x = 16,646.72

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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.