Home / 11,811.06-16,298.53-6,505.58

Finding the Fourth Proportional to 11,811.06, 16,298.53 and 6,505.58

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Solution

The fourth proportional to 11,811.06, 16,298.53 and 6,505.58 is: 8,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.06 : 16,298.53 = 6,505.58 : x
  2. Step 2: Convert to fraction form
    11,811.06/16,298.53 = 6,505.58/x
  3. Step 3: Cross multiply
    11,811.06x = 16,298.53 × 6,505.58
  4. Step 4: Simplify right side
    11,811.06x = 106,031,390.80
  5. Step 5: Solve for x
    x = 106,031,390.80/11,811.06
  6. Step 6: Final answer
    x = 8,977.30

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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.