Home / 19,141.68-28,712.82-6,662.10

Finding the Fourth Proportional to 19,141.68, 28,712.82 and 6,662.10

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Solution

The fourth proportional to 19,141.68, 28,712.82 and 6,662.10 is: 9,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.68 : 28,712.82 = 6,662.10 : x
  2. Step 2: Convert to fraction form
    19,141.68/28,712.82 = 6,662.10/x
  3. Step 3: Cross multiply
    19,141.68x = 28,712.82 × 6,662.10
  4. Step 4: Simplify right side
    19,141.68x = 191,287,678.12
  5. Step 5: Solve for x
    x = 191,287,678.12/19,141.68
  6. Step 6: Final answer
    x = 9,993.25

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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.