Home / 13,363.19-18,456.37-9,106.97

Finding the Fourth Proportional to 13,363.19, 18,456.37 and 9,106.97

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Solution

The fourth proportional to 13,363.19, 18,456.37 and 9,106.97 is: 12,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.19 : 18,456.37 = 9,106.97 : x
  2. Step 2: Convert to fraction form
    13,363.19/18,456.37 = 9,106.97/x
  3. Step 3: Cross multiply
    13,363.19x = 18,456.37 × 9,106.97
  4. Step 4: Simplify right side
    13,363.19x = 168,081,470.08
  5. Step 5: Solve for x
    x = 168,081,470.08/13,363.19
  6. Step 6: Final answer
    x = 12,577.95

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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.