Home / 11,303.40-16,947.80-4,727.84

Finding the Fourth Proportional to 11,303.40, 16,947.80 and 4,727.84

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Solution

The fourth proportional to 11,303.40, 16,947.80 and 4,727.84 is: 7,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.40 : 16,947.80 = 4,727.84 : x
  2. Step 2: Convert to fraction form
    11,303.40/16,947.80 = 4,727.84/x
  3. Step 3: Cross multiply
    11,303.40x = 16,947.80 × 4,727.84
  4. Step 4: Simplify right side
    11,303.40x = 80,126,486.75
  5. Step 5: Solve for x
    x = 80,126,486.75/11,303.40
  6. Step 6: Final answer
    x = 7,088.71

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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.