Home / 20,017.28-30,044.74-10,163.62

Finding the Fourth Proportional to 20,017.28, 30,044.74 and 10,163.62

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Solution

The fourth proportional to 20,017.28, 30,044.74 and 10,163.62 is: 15,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.28 : 30,044.74 = 10,163.62 : x
  2. Step 2: Convert to fraction form
    20,017.28/30,044.74 = 10,163.62/x
  3. Step 3: Cross multiply
    20,017.28x = 30,044.74 × 10,163.62
  4. Step 4: Simplify right side
    20,017.28x = 305,363,320.36
  5. Step 5: Solve for x
    x = 305,363,320.36/20,017.28
  6. Step 6: Final answer
    x = 15,254.99

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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.