Home / 12,177.22-16,804.28-6,871.90

Finding the Fourth Proportional to 12,177.22, 16,804.28 and 6,871.90

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Solution

The fourth proportional to 12,177.22, 16,804.28 and 6,871.90 is: 9,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.22 : 16,804.28 = 6,871.90 : x
  2. Step 2: Convert to fraction form
    12,177.22/16,804.28 = 6,871.90/x
  3. Step 3: Cross multiply
    12,177.22x = 16,804.28 × 6,871.90
  4. Step 4: Simplify right side
    12,177.22x = 115,477,331.73
  5. Step 5: Solve for x
    x = 115,477,331.73/12,177.22
  6. Step 6: Final answer
    x = 9,483.06

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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.