Home / 12,177.02-16,832.87-8,670.53

Finding the Fourth Proportional to 12,177.02, 16,832.87 and 8,670.53

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Solution

The fourth proportional to 12,177.02, 16,832.87 and 8,670.53 is: 11,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.02 : 16,832.87 = 8,670.53 : x
  2. Step 2: Convert to fraction form
    12,177.02/16,832.87 = 8,670.53/x
  3. Step 3: Cross multiply
    12,177.02x = 16,832.87 × 8,670.53
  4. Step 4: Simplify right side
    12,177.02x = 145,949,776.80
  5. Step 5: Solve for x
    x = 145,949,776.80/12,177.02
  6. Step 6: Final answer
    x = 11,985.68

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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.