Home / 10,905.04-16,360.26-3,113.92

Finding the Fourth Proportional to 10,905.04, 16,360.26 and 3,113.92

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Solution

The fourth proportional to 10,905.04, 16,360.26 and 3,113.92 is: 4,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.04 : 16,360.26 = 3,113.92 : x
  2. Step 2: Convert to fraction form
    10,905.04/16,360.26 = 3,113.92/x
  3. Step 3: Cross multiply
    10,905.04x = 16,360.26 × 3,113.92
  4. Step 4: Simplify right side
    10,905.04x = 50,944,540.82
  5. Step 5: Solve for x
    x = 50,944,540.82/10,905.04
  6. Step 6: Final answer
    x = 4,671.65

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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.