Home / 13,147.76-19,711.20-6,570.56

Finding the Fourth Proportional to 13,147.76, 19,711.20 and 6,570.56

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Solution

The fourth proportional to 13,147.76, 19,711.20 and 6,570.56 is: 9,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.76 : 19,711.20 = 6,570.56 : x
  2. Step 2: Convert to fraction form
    13,147.76/19,711.20 = 6,570.56/x
  3. Step 3: Cross multiply
    13,147.76x = 19,711.20 × 6,570.56
  4. Step 4: Simplify right side
    13,147.76x = 129,513,622.27
  5. Step 5: Solve for x
    x = 129,513,622.27/13,147.76
  6. Step 6: Final answer
    x = 9,850.62

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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.