Home / 12,447.02-17,177.30-6,782.22

Finding the Fourth Proportional to 12,447.02, 17,177.30 and 6,782.22

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Solution

The fourth proportional to 12,447.02, 17,177.30 and 6,782.22 is: 9,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.02 : 17,177.30 = 6,782.22 : x
  2. Step 2: Convert to fraction form
    12,447.02/17,177.30 = 6,782.22/x
  3. Step 3: Cross multiply
    12,447.02x = 17,177.30 × 6,782.22
  4. Step 4: Simplify right side
    12,447.02x = 116,500,244.56
  5. Step 5: Solve for x
    x = 116,500,244.56/12,447.02
  6. Step 6: Final answer
    x = 9,359.69

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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.