Home / 11,188.99-16,772.28-5,349.70

Finding the Fourth Proportional to 11,188.99, 16,772.28 and 5,349.70

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Solution

The fourth proportional to 11,188.99, 16,772.28 and 5,349.70 is: 8,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.99 : 16,772.28 = 5,349.70 : x
  2. Step 2: Convert to fraction form
    11,188.99/16,772.28 = 5,349.70/x
  3. Step 3: Cross multiply
    11,188.99x = 16,772.28 × 5,349.70
  4. Step 4: Simplify right side
    11,188.99x = 89,726,666.32
  5. Step 5: Solve for x
    x = 89,726,666.32/11,188.99
  6. Step 6: Final answer
    x = 8,019.19

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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.