Home / 11,437.28-17,154.54-5,190.66

Finding the Fourth Proportional to 11,437.28, 17,154.54 and 5,190.66

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Solution

The fourth proportional to 11,437.28, 17,154.54 and 5,190.66 is: 7,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.28 : 17,154.54 = 5,190.66 : x
  2. Step 2: Convert to fraction form
    11,437.28/17,154.54 = 5,190.66/x
  3. Step 3: Cross multiply
    11,437.28x = 17,154.54 × 5,190.66
  4. Step 4: Simplify right side
    11,437.28x = 89,043,384.60
  5. Step 5: Solve for x
    x = 89,043,384.60/11,437.28
  6. Step 6: Final answer
    x = 7,785.36

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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.