Home / 13,945.14-20,911.57-6,551.70

Finding the Fourth Proportional to 13,945.14, 20,911.57 and 6,551.70

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Solution

The fourth proportional to 13,945.14, 20,911.57 and 6,551.70 is: 9,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.14 : 20,911.57 = 6,551.70 : x
  2. Step 2: Convert to fraction form
    13,945.14/20,911.57 = 6,551.70/x
  3. Step 3: Cross multiply
    13,945.14x = 20,911.57 × 6,551.70
  4. Step 4: Simplify right side
    13,945.14x = 137,006,333.17
  5. Step 5: Solve for x
    x = 137,006,333.17/13,945.14
  6. Step 6: Final answer
    x = 9,824.67

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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.