Home / 12,955.64-17,884.20-8,766.32

Finding the Fourth Proportional to 12,955.64, 17,884.20 and 8,766.32

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Solution

The fourth proportional to 12,955.64, 17,884.20 and 8,766.32 is: 12,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.64 : 17,884.20 = 8,766.32 : x
  2. Step 2: Convert to fraction form
    12,955.64/17,884.20 = 8,766.32/x
  3. Step 3: Cross multiply
    12,955.64x = 17,884.20 × 8,766.32
  4. Step 4: Simplify right side
    12,955.64x = 156,778,620.14
  5. Step 5: Solve for x
    x = 156,778,620.14/12,955.64
  6. Step 6: Final answer
    x = 12,101.19

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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.