Home / 12,177.16-16,804.46-6,871.86

Finding the Fourth Proportional to 12,177.16, 16,804.46 and 6,871.86

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Solution

The fourth proportional to 12,177.16, 16,804.46 and 6,871.86 is: 9,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.16 : 16,804.46 = 6,871.86 : x
  2. Step 2: Convert to fraction form
    12,177.16/16,804.46 = 6,871.86/x
  3. Step 3: Cross multiply
    12,177.16x = 16,804.46 × 6,871.86
  4. Step 4: Simplify right side
    12,177.16x = 115,477,913.68
  5. Step 5: Solve for x
    x = 115,477,913.68/12,177.16
  6. Step 6: Final answer
    x = 9,483.16

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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.