Home / 12,201.28-18,298.08-4,409.04

Finding the Fourth Proportional to 12,201.28, 18,298.08 and 4,409.04

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Solution

The fourth proportional to 12,201.28, 18,298.08 and 4,409.04 is: 6,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.28 : 18,298.08 = 4,409.04 : x
  2. Step 2: Convert to fraction form
    12,201.28/18,298.08 = 4,409.04/x
  3. Step 3: Cross multiply
    12,201.28x = 18,298.08 × 4,409.04
  4. Step 4: Simplify right side
    12,201.28x = 80,676,966.64
  5. Step 5: Solve for x
    x = 80,676,966.64/12,201.28
  6. Step 6: Final answer
    x = 6,612.17

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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.