Home / 12,089.14-18,137.22-4,298.56

Finding the Fourth Proportional to 12,089.14, 18,137.22 and 4,298.56

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Solution

The fourth proportional to 12,089.14, 18,137.22 and 4,298.56 is: 6,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.14 : 18,137.22 = 4,298.56 : x
  2. Step 2: Convert to fraction form
    12,089.14/18,137.22 = 4,298.56/x
  3. Step 3: Cross multiply
    12,089.14x = 18,137.22 × 4,298.56
  4. Step 4: Simplify right side
    12,089.14x = 77,963,928.40
  5. Step 5: Solve for x
    x = 77,963,928.40/12,089.14
  6. Step 6: Final answer
    x = 6,449.09

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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.