Home / 12,079.39-16,669.52-6,774.32

Finding the Fourth Proportional to 12,079.39, 16,669.52 and 6,774.32

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Solution

The fourth proportional to 12,079.39, 16,669.52 and 6,774.32 is: 9,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.39 : 16,669.52 = 6,774.32 : x
  2. Step 2: Convert to fraction form
    12,079.39/16,669.52 = 6,774.32/x
  3. Step 3: Cross multiply
    12,079.39x = 16,669.52 × 6,774.32
  4. Step 4: Simplify right side
    12,079.39x = 112,924,621.22
  5. Step 5: Solve for x
    x = 112,924,621.22/12,079.39
  6. Step 6: Final answer
    x = 9,348.54

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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.