Home / 11,187.45-16,780.29-6,504.47

Finding the Fourth Proportional to 11,187.45, 16,780.29 and 6,504.47

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Solution

The fourth proportional to 11,187.45, 16,780.29 and 6,504.47 is: 9,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.45 : 16,780.29 = 6,504.47 : x
  2. Step 2: Convert to fraction form
    11,187.45/16,780.29 = 6,504.47/x
  3. Step 3: Cross multiply
    11,187.45x = 16,780.29 × 6,504.47
  4. Step 4: Simplify right side
    11,187.45x = 109,146,865.82
  5. Step 5: Solve for x
    x = 109,146,865.82/11,187.45
  6. Step 6: Final answer
    x = 9,756.19

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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.