Home / 20,265.96-30,401.99-7,116.02

Finding the Fourth Proportional to 20,265.96, 30,401.99 and 7,116.02

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Solution

The fourth proportional to 20,265.96, 30,401.99 and 7,116.02 is: 10,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.96 : 30,401.99 = 7,116.02 : x
  2. Step 2: Convert to fraction form
    20,265.96/30,401.99 = 7,116.02/x
  3. Step 3: Cross multiply
    20,265.96x = 30,401.99 × 7,116.02
  4. Step 4: Simplify right side
    20,265.96x = 216,340,981.29
  5. Step 5: Solve for x
    x = 216,340,981.29/20,265.96
  6. Step 6: Final answer
    x = 10,675.09

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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.