Home / 13,411.94-18,508.60-8,110.30

Finding the Fourth Proportional to 13,411.94, 18,508.60 and 8,110.30

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Solution

The fourth proportional to 13,411.94, 18,508.60 and 8,110.30 is: 11,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.94 : 18,508.60 = 8,110.30 : x
  2. Step 2: Convert to fraction form
    13,411.94/18,508.60 = 8,110.30/x
  3. Step 3: Cross multiply
    13,411.94x = 18,508.60 × 8,110.30
  4. Step 4: Simplify right side
    13,411.94x = 150,110,298.58
  5. Step 5: Solve for x
    x = 150,110,298.58/13,411.94
  6. Step 6: Final answer
    x = 11,192.29

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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.