Home / 11,811.04-16,298.62-6,505.74

Finding the Fourth Proportional to 11,811.04, 16,298.62 and 6,505.74

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Solution

The fourth proportional to 11,811.04, 16,298.62 and 6,505.74 is: 8,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.04 : 16,298.62 = 6,505.74 : x
  2. Step 2: Convert to fraction form
    11,811.04/16,298.62 = 6,505.74/x
  3. Step 3: Cross multiply
    11,811.04x = 16,298.62 × 6,505.74
  4. Step 4: Simplify right side
    11,811.04x = 106,034,584.08
  5. Step 5: Solve for x
    x = 106,034,584.08/11,811.04
  6. Step 6: Final answer
    x = 8,977.58

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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.