Home / 20,223.25-30,340.86-10,369.44

Finding the Fourth Proportional to 20,223.25, 30,340.86 and 10,369.44

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Solution

The fourth proportional to 20,223.25, 30,340.86 and 10,369.44 is: 15,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.25 : 30,340.86 = 10,369.44 : x
  2. Step 2: Convert to fraction form
    20,223.25/30,340.86 = 10,369.44/x
  3. Step 3: Cross multiply
    20,223.25x = 30,340.86 × 10,369.44
  4. Step 4: Simplify right side
    20,223.25x = 314,617,803.17
  5. Step 5: Solve for x
    x = 314,617,803.17/20,223.25
  6. Step 6: Final answer
    x = 15,557.23

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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.