Home / 18,836.07-28,254.09-14,679.18

Finding the Fourth Proportional to 18,836.07, 28,254.09 and 14,679.18

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Solution

The fourth proportional to 18,836.07, 28,254.09 and 14,679.18 is: 22,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.07 : 28,254.09 = 14,679.18 : x
  2. Step 2: Convert to fraction form
    18,836.07/28,254.09 = 14,679.18/x
  3. Step 3: Cross multiply
    18,836.07x = 28,254.09 × 14,679.18
  4. Step 4: Simplify right side
    18,836.07x = 414,747,033.85
  5. Step 5: Solve for x
    x = 414,747,033.85/18,836.07
  6. Step 6: Final answer
    x = 22,018.77

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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.