Home / 12,079.66-16,668.30-6,774.16

Finding the Fourth Proportional to 12,079.66, 16,668.30 and 6,774.16

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Solution

The fourth proportional to 12,079.66, 16,668.30 and 6,774.16 is: 9,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.66 : 16,668.30 = 6,774.16 : x
  2. Step 2: Convert to fraction form
    12,079.66/16,668.30 = 6,774.16/x
  3. Step 3: Cross multiply
    12,079.66x = 16,668.30 × 6,774.16
  4. Step 4: Simplify right side
    12,079.66x = 112,913,731.13
  5. Step 5: Solve for x
    x = 112,913,731.13/12,079.66
  6. Step 6: Final answer
    x = 9,347.43

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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.