Home / 20,191.35-30,293.24-10,337.55

Finding the Fourth Proportional to 20,191.35, 30,293.24 and 10,337.55

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Solution

The fourth proportional to 20,191.35, 30,293.24 and 10,337.55 is: 15,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.35 : 30,293.24 = 10,337.55 : x
  2. Step 2: Convert to fraction form
    20,191.35/30,293.24 = 10,337.55/x
  3. Step 3: Cross multiply
    20,191.35x = 30,293.24 × 10,337.55
  4. Step 4: Simplify right side
    20,191.35x = 313,157,831.47
  5. Step 5: Solve for x
    x = 313,157,831.47/20,191.35
  6. Step 6: Final answer
    x = 15,509.50

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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.