Home / 12,239.08-16,889.91-6,650.08

Finding the Fourth Proportional to 12,239.08, 16,889.91 and 6,650.08

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Solution

The fourth proportional to 12,239.08, 16,889.91 and 6,650.08 is: 9,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.08 : 16,889.91 = 6,650.08 : x
  2. Step 2: Convert to fraction form
    12,239.08/16,889.91 = 6,650.08/x
  3. Step 3: Cross multiply
    12,239.08x = 16,889.91 × 6,650.08
  4. Step 4: Simplify right side
    12,239.08x = 112,319,252.69
  5. Step 5: Solve for x
    x = 112,319,252.69/12,239.08
  6. Step 6: Final answer
    x = 9,177.10

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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.