Home / 16,885.76-25,328.63-4,405.75

Finding the Fourth Proportional to 16,885.76, 25,328.63 and 4,405.75

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Solution

The fourth proportional to 16,885.76, 25,328.63 and 4,405.75 is: 6,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.76 : 25,328.63 = 4,405.75 : x
  2. Step 2: Convert to fraction form
    16,885.76/25,328.63 = 4,405.75/x
  3. Step 3: Cross multiply
    16,885.76x = 25,328.63 × 4,405.75
  4. Step 4: Simplify right side
    16,885.76x = 111,591,559.32
  5. Step 5: Solve for x
    x = 111,591,559.32/16,885.76
  6. Step 6: Final answer
    x = 6,608.62

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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.