Home / 18,966.53-26,168.15-12,246.02

Finding the Fourth Proportional to 18,966.53, 26,168.15 and 12,246.02

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Solution

The fourth proportional to 18,966.53, 26,168.15 and 12,246.02 is: 16,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.53 : 26,168.15 = 12,246.02 : x
  2. Step 2: Convert to fraction form
    18,966.53/26,168.15 = 12,246.02/x
  3. Step 3: Cross multiply
    18,966.53x = 26,168.15 × 12,246.02
  4. Step 4: Simplify right side
    18,966.53x = 320,455,496.19
  5. Step 5: Solve for x
    x = 320,455,496.19/18,966.53
  6. Step 6: Final answer
    x = 16,895.85

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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.