Home / 12,394.19-18,594.33-5,812.71

Finding the Fourth Proportional to 12,394.19, 18,594.33 and 5,812.71

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Solution

The fourth proportional to 12,394.19, 18,594.33 and 5,812.71 is: 8,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.19 : 18,594.33 = 5,812.71 : x
  2. Step 2: Convert to fraction form
    12,394.19/18,594.33 = 5,812.71/x
  3. Step 3: Cross multiply
    12,394.19x = 18,594.33 × 5,812.71
  4. Step 4: Simplify right side
    12,394.19x = 108,083,356.41
  5. Step 5: Solve for x
    x = 108,083,356.41/12,394.19
  6. Step 6: Final answer
    x = 8,720.48

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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.