Home / 19,331.24-28,994.10-6,181.88

Finding the Fourth Proportional to 19,331.24, 28,994.10 and 6,181.88

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Solution

The fourth proportional to 19,331.24, 28,994.10 and 6,181.88 is: 9,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.24 : 28,994.10 = 6,181.88 : x
  2. Step 2: Convert to fraction form
    19,331.24/28,994.10 = 6,181.88/x
  3. Step 3: Cross multiply
    19,331.24x = 28,994.10 × 6,181.88
  4. Step 4: Simplify right side
    19,331.24x = 179,238,046.91
  5. Step 5: Solve for x
    x = 179,238,046.91/19,331.24
  6. Step 6: Final answer
    x = 9,271.94

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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.