Home / 11,209.54-15,455.46-7,010.50

Finding the Fourth Proportional to 11,209.54, 15,455.46 and 7,010.50

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Solution

The fourth proportional to 11,209.54, 15,455.46 and 7,010.50 is: 9,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.54 : 15,455.46 = 7,010.50 : x
  2. Step 2: Convert to fraction form
    11,209.54/15,455.46 = 7,010.50/x
  3. Step 3: Cross multiply
    11,209.54x = 15,455.46 × 7,010.50
  4. Step 4: Simplify right side
    11,209.54x = 108,350,502.33
  5. Step 5: Solve for x
    x = 108,350,502.33/11,209.54
  6. Step 6: Final answer
    x = 9,665.92

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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.