Home / 11,118.41-15,347.27-6,404.57

Finding the Fourth Proportional to 11,118.41, 15,347.27 and 6,404.57

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Solution

The fourth proportional to 11,118.41, 15,347.27 and 6,404.57 is: 8,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.41 : 15,347.27 = 6,404.57 : x
  2. Step 2: Convert to fraction form
    11,118.41/15,347.27 = 6,404.57/x
  3. Step 3: Cross multiply
    11,118.41x = 15,347.27 × 6,404.57
  4. Step 4: Simplify right side
    11,118.41x = 98,292,665.02
  5. Step 5: Solve for x
    x = 98,292,665.02/11,118.41
  6. Step 6: Final answer
    x = 8,840.53

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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.