Home / 11,111.60-15,333.54-6,577.22

Finding the Fourth Proportional to 11,111.60, 15,333.54 and 6,577.22

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Solution

The fourth proportional to 11,111.60, 15,333.54 and 6,577.22 is: 9,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.60 : 15,333.54 = 6,577.22 : x
  2. Step 2: Convert to fraction form
    11,111.60/15,333.54 = 6,577.22/x
  3. Step 3: Cross multiply
    11,111.60x = 15,333.54 × 6,577.22
  4. Step 4: Simplify right side
    11,111.60x = 100,851,989.29
  5. Step 5: Solve for x
    x = 100,851,989.29/11,111.60
  6. Step 6: Final answer
    x = 9,076.28

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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.