Home / 20,223.68-30,338.40-8,534.24

Finding the Fourth Proportional to 20,223.68, 30,338.40 and 8,534.24

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Solution

The fourth proportional to 20,223.68, 30,338.40 and 8,534.24 is: 12,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.68 : 30,338.40 = 8,534.24 : x
  2. Step 2: Convert to fraction form
    20,223.68/30,338.40 = 8,534.24/x
  3. Step 3: Cross multiply
    20,223.68x = 30,338.40 × 8,534.24
  4. Step 4: Simplify right side
    20,223.68x = 258,915,186.82
  5. Step 5: Solve for x
    x = 258,915,186.82/20,223.68
  6. Step 6: Final answer
    x = 12,802.58

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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.