Home / 23,212.25-34,818.43-8,421.18

Finding the Fourth Proportional to 23,212.25, 34,818.43 and 8,421.18

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Solution

The fourth proportional to 23,212.25, 34,818.43 and 8,421.18 is: 12,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212.25 : 34,818.43 = 8,421.18 : x
  2. Step 2: Convert to fraction form
    23,212.25/34,818.43 = 8,421.18/x
  3. Step 3: Cross multiply
    23,212.25x = 34,818.43 × 8,421.18
  4. Step 4: Simplify right side
    23,212.25x = 293,212,266.35
  5. Step 5: Solve for x
    x = 293,212,266.35/23,212.25
  6. Step 6: Final answer
    x = 12,631.79

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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.