Home / 20,552.17-30,809.58-7,401.55

Finding the Fourth Proportional to 20,552.17, 30,809.58 and 7,401.55

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Solution

The fourth proportional to 20,552.17, 30,809.58 and 7,401.55 is: 11,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.17 : 30,809.58 = 7,401.55 : x
  2. Step 2: Convert to fraction form
    20,552.17/30,809.58 = 7,401.55/x
  3. Step 3: Cross multiply
    20,552.17x = 30,809.58 × 7,401.55
  4. Step 4: Simplify right side
    20,552.17x = 228,038,646.85
  5. Step 5: Solve for x
    x = 228,038,646.85/20,552.17
  6. Step 6: Final answer
    x = 11,095.60

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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.