Home / 11,617.08-16,031.57-6,311.92

Finding the Fourth Proportional to 11,617.08, 16,031.57 and 6,311.92

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Solution

The fourth proportional to 11,617.08, 16,031.57 and 6,311.92 is: 8,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.08 : 16,031.57 = 6,311.92 : x
  2. Step 2: Convert to fraction form
    11,617.08/16,031.57 = 6,311.92/x
  3. Step 3: Cross multiply
    11,617.08x = 16,031.57 × 6,311.92
  4. Step 4: Simplify right side
    11,617.08x = 101,189,987.31
  5. Step 5: Solve for x
    x = 101,189,987.31/11,617.08
  6. Step 6: Final answer
    x = 8,710.45

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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.