Home / 12,341.25-17,030.97-8,621.73

Finding the Fourth Proportional to 12,341.25, 17,030.97 and 8,621.73

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Solution

The fourth proportional to 12,341.25, 17,030.97 and 8,621.73 is: 11,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.25 : 17,030.97 = 8,621.73 : x
  2. Step 2: Convert to fraction form
    12,341.25/17,030.97 = 8,621.73/x
  3. Step 3: Cross multiply
    12,341.25x = 17,030.97 × 8,621.73
  4. Step 4: Simplify right side
    12,341.25x = 146,836,424.98
  5. Step 5: Solve for x
    x = 146,836,424.98/12,341.25
  6. Step 6: Final answer
    x = 11,898.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.