Home / 12,994.78-19,488.92-5,098.90

Finding the Fourth Proportional to 12,994.78, 19,488.92 and 5,098.90

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Solution

The fourth proportional to 12,994.78, 19,488.92 and 5,098.90 is: 7,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.78 : 19,488.92 = 5,098.90 : x
  2. Step 2: Convert to fraction form
    12,994.78/19,488.92 = 5,098.90/x
  3. Step 3: Cross multiply
    12,994.78x = 19,488.92 × 5,098.90
  4. Step 4: Simplify right side
    12,994.78x = 99,372,054.19
  5. Step 5: Solve for x
    x = 99,372,054.19/12,994.78
  6. Step 6: Final answer
    x = 7,647.07

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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.