Home / 20,237.52-30,367.84-7,099.68

Finding the Fourth Proportional to 20,237.52, 30,367.84 and 7,099.68

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Solution

The fourth proportional to 20,237.52, 30,367.84 and 7,099.68 is: 10,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.52 : 30,367.84 = 7,099.68 : x
  2. Step 2: Convert to fraction form
    20,237.52/30,367.84 = 7,099.68/x
  3. Step 3: Cross multiply
    20,237.52x = 30,367.84 × 7,099.68
  4. Step 4: Simplify right side
    20,237.52x = 215,601,946.29
  5. Step 5: Solve for x
    x = 215,601,946.29/20,237.52
  6. Step 6: Final answer
    x = 10,653.58

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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.