Home / 11,278.72-15,564.36-6,562.90

Finding the Fourth Proportional to 11,278.72, 15,564.36 and 6,562.90

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Solution

The fourth proportional to 11,278.72, 15,564.36 and 6,562.90 is: 9,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.72 : 15,564.36 = 6,562.90 : x
  2. Step 2: Convert to fraction form
    11,278.72/15,564.36 = 6,562.90/x
  3. Step 3: Cross multiply
    11,278.72x = 15,564.36 × 6,562.90
  4. Step 4: Simplify right side
    11,278.72x = 102,147,338.24
  5. Step 5: Solve for x
    x = 102,147,338.24/11,278.72
  6. Step 6: Final answer
    x = 9,056.64

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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.