Home / 18,480.12-27,702.21-14,722.74

Finding the Fourth Proportional to 18,480.12, 27,702.21 and 14,722.74

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Solution

The fourth proportional to 18,480.12, 27,702.21 and 14,722.74 is: 22,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.12 : 27,702.21 = 14,722.74 : x
  2. Step 2: Convert to fraction form
    18,480.12/27,702.21 = 14,722.74/x
  3. Step 3: Cross multiply
    18,480.12x = 27,702.21 × 14,722.74
  4. Step 4: Simplify right side
    18,480.12x = 407,852,435.26
  5. Step 5: Solve for x
    x = 407,852,435.26/18,480.12
  6. Step 6: Final answer
    x = 22,069.79

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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.