Home / 11,393.48-15,723.42-6,357.44

Finding the Fourth Proportional to 11,393.48, 15,723.42 and 6,357.44

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Solution

The fourth proportional to 11,393.48, 15,723.42 and 6,357.44 is: 8,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.48 : 15,723.42 = 6,357.44 : x
  2. Step 2: Convert to fraction form
    11,393.48/15,723.42 = 6,357.44/x
  3. Step 3: Cross multiply
    11,393.48x = 15,723.42 × 6,357.44
  4. Step 4: Simplify right side
    11,393.48x = 99,960,699.24
  5. Step 5: Solve for x
    x = 99,960,699.24/11,393.48
  6. Step 6: Final answer
    x = 8,773.50

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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.