Home / 20,344.38-30,525.75-12,946.92

Finding the Fourth Proportional to 20,344.38, 30,525.75 and 12,946.92

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Solution

The fourth proportional to 20,344.38, 30,525.75 and 12,946.92 is: 19,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.38 : 30,525.75 = 12,946.92 : x
  2. Step 2: Convert to fraction form
    20,344.38/30,525.75 = 12,946.92/x
  3. Step 3: Cross multiply
    20,344.38x = 30,525.75 × 12,946.92
  4. Step 4: Simplify right side
    20,344.38x = 395,214,443.19
  5. Step 5: Solve for x
    x = 395,214,443.19/20,344.38
  6. Step 6: Final answer
    x = 19,426.22

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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.