Home / 12,553.80-17,310.02-8,577.16

Finding the Fourth Proportional to 12,553.80, 17,310.02 and 8,577.16

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Solution

The fourth proportional to 12,553.80, 17,310.02 and 8,577.16 is: 11,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.80 : 17,310.02 = 8,577.16 : x
  2. Step 2: Convert to fraction form
    12,553.80/17,310.02 = 8,577.16/x
  3. Step 3: Cross multiply
    12,553.80x = 17,310.02 × 8,577.16
  4. Step 4: Simplify right side
    12,553.80x = 148,470,811.14
  5. Step 5: Solve for x
    x = 148,470,811.14/12,553.80
  6. Step 6: Final answer
    x = 11,826.76

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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.