Home / 20,265.63-30,341.24-10,756.44

Finding the Fourth Proportional to 20,265.63, 30,341.24 and 10,756.44

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Solution

The fourth proportional to 20,265.63, 30,341.24 and 10,756.44 is: 16,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.63 : 30,341.24 = 10,756.44 : x
  2. Step 2: Convert to fraction form
    20,265.63/30,341.24 = 10,756.44/x
  3. Step 3: Cross multiply
    20,265.63x = 30,341.24 × 10,756.44
  4. Step 4: Simplify right side
    20,265.63x = 326,363,673.80
  5. Step 5: Solve for x
    x = 326,363,673.80/20,265.63
  6. Step 6: Final answer
    x = 16,104.29

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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.