Home / 12,000.28-16,560.90-6,696.52

Finding the Fourth Proportional to 12,000.28, 16,560.90 and 6,696.52

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Solution

The fourth proportional to 12,000.28, 16,560.90 and 6,696.52 is: 9,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.28 : 16,560.90 = 6,696.52 : x
  2. Step 2: Convert to fraction form
    12,000.28/16,560.90 = 6,696.52/x
  3. Step 3: Cross multiply
    12,000.28x = 16,560.90 × 6,696.52
  4. Step 4: Simplify right side
    12,000.28x = 110,900,398.07
  5. Step 5: Solve for x
    x = 110,900,398.07/12,000.28
  6. Step 6: Final answer
    x = 9,241.48

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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.