Home / 11,655.68-16,085.28-6,351.08

Finding the Fourth Proportional to 11,655.68, 16,085.28 and 6,351.08

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Solution

The fourth proportional to 11,655.68, 16,085.28 and 6,351.08 is: 8,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.68 : 16,085.28 = 6,351.08 : x
  2. Step 2: Convert to fraction form
    11,655.68/16,085.28 = 6,351.08/x
  3. Step 3: Cross multiply
    11,655.68x = 16,085.28 × 6,351.08
  4. Step 4: Simplify right side
    11,655.68x = 102,158,900.10
  5. Step 5: Solve for x
    x = 102,158,900.10/11,655.68
  6. Step 6: Final answer
    x = 8,764.73

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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.