Home / 12,012.52-16,577.84-6,635.71

Finding the Fourth Proportional to 12,012.52, 16,577.84 and 6,635.71

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Solution

The fourth proportional to 12,012.52, 16,577.84 and 6,635.71 is: 9,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.52 : 16,577.84 = 6,635.71 : x
  2. Step 2: Convert to fraction form
    12,012.52/16,577.84 = 6,635.71/x
  3. Step 3: Cross multiply
    12,012.52x = 16,577.84 × 6,635.71
  4. Step 4: Simplify right side
    12,012.52x = 110,005,664.04
  5. Step 5: Solve for x
    x = 110,005,664.04/12,012.52
  6. Step 6: Final answer
    x = 9,157.59

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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.