Home / 10,790.02-16,187.72-8,577.20

Finding the Fourth Proportional to 10,790.02, 16,187.72 and 8,577.20

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Solution

The fourth proportional to 10,790.02, 16,187.72 and 8,577.20 is: 12,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.02 : 16,187.72 = 8,577.20 : x
  2. Step 2: Convert to fraction form
    10,790.02/16,187.72 = 8,577.20/x
  3. Step 3: Cross multiply
    10,790.02x = 16,187.72 × 8,577.20
  4. Step 4: Simplify right side
    10,790.02x = 138,845,311.98
  5. Step 5: Solve for x
    x = 138,845,311.98/10,790.02
  6. Step 6: Final answer
    x = 12,867.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.