Home / 11,393.13-15,722.50-6,357.05

Finding the Fourth Proportional to 11,393.13, 15,722.50 and 6,357.05

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Solution

The fourth proportional to 11,393.13, 15,722.50 and 6,357.05 is: 8,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.13 : 15,722.50 = 6,357.05 : x
  2. Step 2: Convert to fraction form
    11,393.13/15,722.50 = 6,357.05/x
  3. Step 3: Cross multiply
    11,393.13x = 15,722.50 × 6,357.05
  4. Step 4: Simplify right side
    11,393.13x = 99,948,608.23
  5. Step 5: Solve for x
    x = 99,948,608.23/11,393.13
  6. Step 6: Final answer
    x = 8,772.71

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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.