Home / 10,639.55-15,956.60-4,401.34

Finding the Fourth Proportional to 10,639.55, 15,956.60 and 4,401.34

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Solution

The fourth proportional to 10,639.55, 15,956.60 and 4,401.34 is: 6,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.55 : 15,956.60 = 4,401.34 : x
  2. Step 2: Convert to fraction form
    10,639.55/15,956.60 = 4,401.34/x
  3. Step 3: Cross multiply
    10,639.55x = 15,956.60 × 4,401.34
  4. Step 4: Simplify right side
    10,639.55x = 70,230,359.95
  5. Step 5: Solve for x
    x = 70,230,359.95/10,639.55
  6. Step 6: Final answer
    x = 6,600.88

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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.