Home / 11,177.40-16,769.70-7,483.80

Finding the Fourth Proportional to 11,177.40, 16,769.70 and 7,483.80

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Solution

The fourth proportional to 11,177.40, 16,769.70 and 7,483.80 is: 11,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.40 : 16,769.70 = 7,483.80 : x
  2. Step 2: Convert to fraction form
    11,177.40/16,769.70 = 7,483.80/x
  3. Step 3: Cross multiply
    11,177.40x = 16,769.70 × 7,483.80
  4. Step 4: Simplify right side
    11,177.40x = 125,501,080.86
  5. Step 5: Solve for x
    x = 125,501,080.86/11,177.40
  6. Step 6: Final answer
    x = 11,228.11

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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.