Home / 12,181.02-16,838.38-8,674.52

Finding the Fourth Proportional to 12,181.02, 16,838.38 and 8,674.52

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Solution

The fourth proportional to 12,181.02, 16,838.38 and 8,674.52 is: 11,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.02 : 16,838.38 = 8,674.52 : x
  2. Step 2: Convert to fraction form
    12,181.02/16,838.38 = 8,674.52/x
  3. Step 3: Cross multiply
    12,181.02x = 16,838.38 × 8,674.52
  4. Step 4: Simplify right side
    12,181.02x = 146,064,864.08
  5. Step 5: Solve for x
    x = 146,064,864.08/12,181.02
  6. Step 6: Final answer
    x = 11,991.18

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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.