Home / 12,446.22-18,658.12-4,543.21

Finding the Fourth Proportional to 12,446.22, 18,658.12 and 4,543.21

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Solution

The fourth proportional to 12,446.22, 18,658.12 and 4,543.21 is: 6,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.22 : 18,658.12 = 4,543.21 : x
  2. Step 2: Convert to fraction form
    12,446.22/18,658.12 = 4,543.21/x
  3. Step 3: Cross multiply
    12,446.22x = 18,658.12 × 4,543.21
  4. Step 4: Simplify right side
    12,446.22x = 84,767,757.37
  5. Step 5: Solve for x
    x = 84,767,757.37/12,446.22
  6. Step 6: Final answer
    x = 6,810.72

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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.