Home / 20,071.59-30,126.06-10,218.24

Finding the Fourth Proportional to 20,071.59, 30,126.06 and 10,218.24

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Solution

The fourth proportional to 20,071.59, 30,126.06 and 10,218.24 is: 15,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.59 : 30,126.06 = 10,218.24 : x
  2. Step 2: Convert to fraction form
    20,071.59/30,126.06 = 10,218.24/x
  3. Step 3: Cross multiply
    20,071.59x = 30,126.06 × 10,218.24
  4. Step 4: Simplify right side
    20,071.59x = 307,835,311.33
  5. Step 5: Solve for x
    x = 307,835,311.33/20,071.59
  6. Step 6: Final answer
    x = 15,336.87

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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.