Home / 11,562.36-17,406.54-7,887.74

Finding the Fourth Proportional to 11,562.36, 17,406.54 and 7,887.74

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Solution

The fourth proportional to 11,562.36, 17,406.54 and 7,887.74 is: 11,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.36 : 17,406.54 = 7,887.74 : x
  2. Step 2: Convert to fraction form
    11,562.36/17,406.54 = 7,887.74/x
  3. Step 3: Cross multiply
    11,562.36x = 17,406.54 × 7,887.74
  4. Step 4: Simplify right side
    11,562.36x = 137,298,174.79
  5. Step 5: Solve for x
    x = 137,298,174.79/11,562.36
  6. Step 6: Final answer
    x = 11,874.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.