Home / 11,221.97-16,836.38-5,303.40

Finding the Fourth Proportional to 11,221.97, 16,836.38 and 5,303.40

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Solution

The fourth proportional to 11,221.97, 16,836.38 and 5,303.40 is: 7,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.97 : 16,836.38 = 5,303.40 : x
  2. Step 2: Convert to fraction form
    11,221.97/16,836.38 = 5,303.40/x
  3. Step 3: Cross multiply
    11,221.97x = 16,836.38 × 5,303.40
  4. Step 4: Simplify right side
    11,221.97x = 89,290,050.19
  5. Step 5: Solve for x
    x = 89,290,050.19/11,221.97
  6. Step 6: Final answer
    x = 7,956.72

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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.