Home / 18,952.86-28,422.95-6,299.70

Finding the Fourth Proportional to 18,952.86, 28,422.95 and 6,299.70

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Solution

The fourth proportional to 18,952.86, 28,422.95 and 6,299.70 is: 9,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.86 : 28,422.95 = 6,299.70 : x
  2. Step 2: Convert to fraction form
    18,952.86/28,422.95 = 6,299.70/x
  3. Step 3: Cross multiply
    18,952.86x = 28,422.95 × 6,299.70
  4. Step 4: Simplify right side
    18,952.86x = 179,056,035.41
  5. Step 5: Solve for x
    x = 179,056,035.41/18,952.86
  6. Step 6: Final answer
    x = 9,447.44

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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.