Home / 20,256.35-30,395.19-10,395.62

Finding the Fourth Proportional to 20,256.35, 30,395.19 and 10,395.62

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Solution

The fourth proportional to 20,256.35, 30,395.19 and 10,395.62 is: 15,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.35 : 30,395.19 = 10,395.62 : x
  2. Step 2: Convert to fraction form
    20,256.35/30,395.19 = 10,395.62/x
  3. Step 3: Cross multiply
    20,256.35x = 30,395.19 × 10,395.62
  4. Step 4: Simplify right side
    20,256.35x = 315,976,845.07
  5. Step 5: Solve for x
    x = 315,976,845.07/20,256.35
  6. Step 6: Final answer
    x = 15,598.90

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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.