Home / 11,445.07-15,793.14-6,665.56

Finding the Fourth Proportional to 11,445.07, 15,793.14 and 6,665.56

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Solution

The fourth proportional to 11,445.07, 15,793.14 and 6,665.56 is: 9,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.07 : 15,793.14 = 6,665.56 : x
  2. Step 2: Convert to fraction form
    11,445.07/15,793.14 = 6,665.56/x
  3. Step 3: Cross multiply
    11,445.07x = 15,793.14 × 6,665.56
  4. Step 4: Simplify right side
    11,445.07x = 105,270,122.26
  5. Step 5: Solve for x
    x = 105,270,122.26/11,445.07
  6. Step 6: Final answer
    x = 9,197.86

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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.