Home / 11,562.15-15,957.18-7,086.54

Finding the Fourth Proportional to 11,562.15, 15,957.18 and 7,086.54

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Solution

The fourth proportional to 11,562.15, 15,957.18 and 7,086.54 is: 9,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.15 : 15,957.18 = 7,086.54 : x
  2. Step 2: Convert to fraction form
    11,562.15/15,957.18 = 7,086.54/x
  3. Step 3: Cross multiply
    11,562.15x = 15,957.18 × 7,086.54
  4. Step 4: Simplify right side
    11,562.15x = 113,081,194.36
  5. Step 5: Solve for x
    x = 113,081,194.36/11,562.15
  6. Step 6: Final answer
    x = 9,780.29

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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.