Home / 11,055.05-15,254.78-6,577.91

Finding the Fourth Proportional to 11,055.05, 15,254.78 and 6,577.91

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Solution

The fourth proportional to 11,055.05, 15,254.78 and 6,577.91 is: 9,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.05 : 15,254.78 = 6,577.91 : x
  2. Step 2: Convert to fraction form
    11,055.05/15,254.78 = 6,577.91/x
  3. Step 3: Cross multiply
    11,055.05x = 15,254.78 × 6,577.91
  4. Step 4: Simplify right side
    11,055.05x = 100,344,460.75
  5. Step 5: Solve for x
    x = 100,344,460.75/11,055.05
  6. Step 6: Final answer
    x = 9,076.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.