Home / 20,071.94-30,118.24-9,553.88

Finding the Fourth Proportional to 20,071.94, 30,118.24 and 9,553.88

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Solution

The fourth proportional to 20,071.94, 30,118.24 and 9,553.88 is: 14,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.94 : 30,118.24 = 9,553.88 : x
  2. Step 2: Convert to fraction form
    20,071.94/30,118.24 = 9,553.88/x
  3. Step 3: Cross multiply
    20,071.94x = 30,118.24 × 9,553.88
  4. Step 4: Simplify right side
    20,071.94x = 287,746,050.77
  5. Step 5: Solve for x
    x = 287,746,050.77/20,071.94
  6. Step 6: Final answer
    x = 14,335.74

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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.