Home / 20,342.63-30,494.70-15,337.23

Finding the Fourth Proportional to 20,342.63, 30,494.70 and 15,337.23

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Solution

The fourth proportional to 20,342.63, 30,494.70 and 15,337.23 is: 22,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.63 : 30,494.70 = 15,337.23 : x
  2. Step 2: Convert to fraction form
    20,342.63/30,494.70 = 15,337.23/x
  3. Step 3: Cross multiply
    20,342.63x = 30,494.70 × 15,337.23
  4. Step 4: Simplify right side
    20,342.63x = 467,704,227.68
  5. Step 5: Solve for x
    x = 467,704,227.68/20,342.63
  6. Step 6: Final answer
    x = 22,991.34

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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.