Home / 20,071.87-30,113.88-6,743.32

Finding the Fourth Proportional to 20,071.87, 30,113.88 and 6,743.32

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Solution

The fourth proportional to 20,071.87, 30,113.88 and 6,743.32 is: 10,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.87 : 30,113.88 = 6,743.32 : x
  2. Step 2: Convert to fraction form
    20,071.87/30,113.88 = 6,743.32/x
  3. Step 3: Cross multiply
    20,071.87x = 30,113.88 × 6,743.32
  4. Step 4: Simplify right side
    20,071.87x = 203,067,428.71
  5. Step 5: Solve for x
    x = 203,067,428.71/20,071.87
  6. Step 6: Final answer
    x = 10,117.02

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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.