Home / 13,944.71-20,915.52-4,084.08

Finding the Fourth Proportional to 13,944.71, 20,915.52 and 4,084.08

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Solution

The fourth proportional to 13,944.71, 20,915.52 and 4,084.08 is: 6,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.71 : 20,915.52 = 4,084.08 : x
  2. Step 2: Convert to fraction form
    13,944.71/20,915.52 = 4,084.08/x
  3. Step 3: Cross multiply
    13,944.71x = 20,915.52 × 4,084.08
  4. Step 4: Simplify right side
    13,944.71x = 85,420,656.92
  5. Step 5: Solve for x
    x = 85,420,656.92/13,944.71
  6. Step 6: Final answer
    x = 6,125.67

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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.