Home / 12,164.28-18,246.42-4,368.84

Finding the Fourth Proportional to 12,164.28, 18,246.42 and 4,368.84

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Solution

The fourth proportional to 12,164.28, 18,246.42 and 4,368.84 is: 6,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.28 : 18,246.42 = 4,368.84 : x
  2. Step 2: Convert to fraction form
    12,164.28/18,246.42 = 4,368.84/x
  3. Step 3: Cross multiply
    12,164.28x = 18,246.42 × 4,368.84
  4. Step 4: Simplify right side
    12,164.28x = 79,715,689.55
  5. Step 5: Solve for x
    x = 79,715,689.55/12,164.28
  6. Step 6: Final answer
    x = 6,553.26

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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.