Home / 20,205.05-30,293.60-10,337.63

Finding the Fourth Proportional to 20,205.05, 30,293.60 and 10,337.63

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Solution

The fourth proportional to 20,205.05, 30,293.60 and 10,337.63 is: 15,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.05 : 30,293.60 = 10,337.63 : x
  2. Step 2: Convert to fraction form
    20,205.05/30,293.60 = 10,337.63/x
  3. Step 3: Cross multiply
    20,205.05x = 30,293.60 × 10,337.63
  4. Step 4: Simplify right side
    20,205.05x = 313,163,825.01
  5. Step 5: Solve for x
    x = 313,163,825.01/20,205.05
  6. Step 6: Final answer
    x = 15,499.29

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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.