Home / 11,749.80-16,216.50-6,715.08

Finding the Fourth Proportional to 11,749.80, 16,216.50 and 6,715.08

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Solution

The fourth proportional to 11,749.80, 16,216.50 and 6,715.08 is: 9,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.80 : 16,216.50 = 6,715.08 : x
  2. Step 2: Convert to fraction form
    11,749.80/16,216.50 = 6,715.08/x
  3. Step 3: Cross multiply
    11,749.80x = 16,216.50 × 6,715.08
  4. Step 4: Simplify right side
    11,749.80x = 108,895,094.82
  5. Step 5: Solve for x
    x = 108,895,094.82/11,749.80
  6. Step 6: Final answer
    x = 9,267.83

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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.