Home / 12,245.90-16,899.52-6,657.02

Finding the Fourth Proportional to 12,245.90, 16,899.52 and 6,657.02

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Solution

The fourth proportional to 12,245.90, 16,899.52 and 6,657.02 is: 9,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.90 : 16,899.52 = 6,657.02 : x
  2. Step 2: Convert to fraction form
    12,245.90/16,899.52 = 6,657.02/x
  3. Step 3: Cross multiply
    12,245.90x = 16,899.52 × 6,657.02
  4. Step 4: Simplify right side
    12,245.90x = 112,500,442.63
  5. Step 5: Solve for x
    x = 112,500,442.63/12,245.90
  6. Step 6: Final answer
    x = 9,186.78

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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.