Home / 12,245.04-18,357.89-5,226.21

Finding the Fourth Proportional to 12,245.04, 18,357.89 and 5,226.21

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Solution

The fourth proportional to 12,245.04, 18,357.89 and 5,226.21 is: 7,835.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.04 : 18,357.89 = 5,226.21 : x
  2. Step 2: Convert to fraction form
    12,245.04/18,357.89 = 5,226.21/x
  3. Step 3: Cross multiply
    12,245.04x = 18,357.89 × 5,226.21
  4. Step 4: Simplify right side
    12,245.04x = 95,942,162.17
  5. Step 5: Solve for x
    x = 95,942,162.17/12,245.04
  6. Step 6: Final answer
    x = 7,835.19

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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.