Home / 18,671.26-28,011.33-5,344.45

Finding the Fourth Proportional to 18,671.26, 28,011.33 and 5,344.45

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Solution

The fourth proportional to 18,671.26, 28,011.33 and 5,344.45 is: 8,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.26 : 28,011.33 = 5,344.45 : x
  2. Step 2: Convert to fraction form
    18,671.26/28,011.33 = 5,344.45/x
  3. Step 3: Cross multiply
    18,671.26x = 28,011.33 × 5,344.45
  4. Step 4: Simplify right side
    18,671.26x = 149,705,152.62
  5. Step 5: Solve for x
    x = 149,705,152.62/18,671.26
  6. Step 6: Final answer
    x = 8,017.95

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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.