Home / 11,177.14-16,722.36-8,064.32

Finding the Fourth Proportional to 11,177.14, 16,722.36 and 8,064.32

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Solution

The fourth proportional to 11,177.14, 16,722.36 and 8,064.32 is: 12,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.14 : 16,722.36 = 8,064.32 : x
  2. Step 2: Convert to fraction form
    11,177.14/16,722.36 = 8,064.32/x
  3. Step 3: Cross multiply
    11,177.14x = 16,722.36 × 8,064.32
  4. Step 4: Simplify right side
    11,177.14x = 134,854,462.20
  5. Step 5: Solve for x
    x = 134,854,462.20/11,177.14
  6. Step 6: Final answer
    x = 12,065.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.