Home / 11,773.50-17,663.29-4,378.20

Finding the Fourth Proportional to 11,773.50, 17,663.29 and 4,378.20

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Solution

The fourth proportional to 11,773.50, 17,663.29 and 4,378.20 is: 6,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.50 : 17,663.29 = 4,378.20 : x
  2. Step 2: Convert to fraction form
    11,773.50/17,663.29 = 4,378.20/x
  3. Step 3: Cross multiply
    11,773.50x = 17,663.29 × 4,378.20
  4. Step 4: Simplify right side
    11,773.50x = 77,333,416.28
  5. Step 5: Solve for x
    x = 77,333,416.28/11,773.50
  6. Step 6: Final answer
    x = 6,568.43

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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.