Home / 12,000.30-16,560.42-6,695.12

Finding the Fourth Proportional to 12,000.30, 16,560.42 and 6,695.12

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Solution

The fourth proportional to 12,000.30, 16,560.42 and 6,695.12 is: 9,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.30 : 16,560.42 = 6,695.12 : x
  2. Step 2: Convert to fraction form
    12,000.30/16,560.42 = 6,695.12/x
  3. Step 3: Cross multiply
    12,000.30x = 16,560.42 × 6,695.12
  4. Step 4: Simplify right side
    12,000.30x = 110,873,916.35
  5. Step 5: Solve for x
    x = 110,873,916.35/12,000.30
  6. Step 6: Final answer
    x = 9,239.26

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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.