Home / 12,470.19-18,689.64-6,231.94

Finding the Fourth Proportional to 12,470.19, 18,689.64 and 6,231.94

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Solution

The fourth proportional to 12,470.19, 18,689.64 and 6,231.94 is: 9,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.19 : 18,689.64 = 6,231.94 : x
  2. Step 2: Convert to fraction form
    12,470.19/18,689.64 = 6,231.94/x
  3. Step 3: Cross multiply
    12,470.19x = 18,689.64 × 6,231.94
  4. Step 4: Simplify right side
    12,470.19x = 116,472,645.01
  5. Step 5: Solve for x
    x = 116,472,645.01/12,470.19
  6. Step 6: Final answer
    x = 9,340.09

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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.