Home / 10,903.70-16,355.79-3,113.10

Finding the Fourth Proportional to 10,903.70, 16,355.79 and 3,113.10

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Solution

The fourth proportional to 10,903.70, 16,355.79 and 3,113.10 is: 4,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.70 : 16,355.79 = 3,113.10 : x
  2. Step 2: Convert to fraction form
    10,903.70/16,355.79 = 3,113.10/x
  3. Step 3: Cross multiply
    10,903.70x = 16,355.79 × 3,113.10
  4. Step 4: Simplify right side
    10,903.70x = 50,917,209.85
  5. Step 5: Solve for x
    x = 50,917,209.85/10,903.70
  6. Step 6: Final answer
    x = 4,669.72

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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.