Home / 20,361.39-30,545.73-10,498.02

Finding the Fourth Proportional to 20,361.39, 30,545.73 and 10,498.02

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Solution

The fourth proportional to 20,361.39, 30,545.73 and 10,498.02 is: 15,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.39 : 30,545.73 = 10,498.02 : x
  2. Step 2: Convert to fraction form
    20,361.39/30,545.73 = 10,498.02/x
  3. Step 3: Cross multiply
    20,361.39x = 30,545.73 × 10,498.02
  4. Step 4: Simplify right side
    20,361.39x = 320,669,684.45
  5. Step 5: Solve for x
    x = 320,669,684.45/20,361.39
  6. Step 6: Final answer
    x = 15,748.91

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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.