Home / 11,298.30-16,947.81-3,903.18

Finding the Fourth Proportional to 11,298.30, 16,947.81 and 3,903.18

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Solution

The fourth proportional to 11,298.30, 16,947.81 and 3,903.18 is: 5,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.30 : 16,947.81 = 3,903.18 : x
  2. Step 2: Convert to fraction form
    11,298.30/16,947.81 = 3,903.18/x
  3. Step 3: Cross multiply
    11,298.30x = 16,947.81 × 3,903.18
  4. Step 4: Simplify right side
    11,298.30x = 66,150,353.04
  5. Step 5: Solve for x
    x = 66,150,353.04/11,298.30
  6. Step 6: Final answer
    x = 5,854.89

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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.