Home / 11,775.58-16,248.57-6,739

Finding the Fourth Proportional to 11,775.58, 16,248.57 and 6,739

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Solution

The fourth proportional to 11,775.58, 16,248.57 and 6,739 is: 9,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.58 : 16,248.57 = 6,739 : x
  2. Step 2: Convert to fraction form
    11,775.58/16,248.57 = 6,739/x
  3. Step 3: Cross multiply
    11,775.58x = 16,248.57 × 6,739
  4. Step 4: Simplify right side
    11,775.58x = 109,499,113.23
  5. Step 5: Solve for x
    x = 109,499,113.23/11,775.58
  6. Step 6: Final answer
    x = 9,298.83

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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.