Home / 13,240.65-19,851.34-6,217.05

Finding the Fourth Proportional to 13,240.65, 19,851.34 and 6,217.05

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Solution

The fourth proportional to 13,240.65, 19,851.34 and 6,217.05 is: 9,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.65 : 19,851.34 = 6,217.05 : x
  2. Step 2: Convert to fraction form
    13,240.65/19,851.34 = 6,217.05/x
  3. Step 3: Cross multiply
    13,240.65x = 19,851.34 × 6,217.05
  4. Step 4: Simplify right side
    13,240.65x = 123,416,723.72
  5. Step 5: Solve for x
    x = 123,416,723.72/13,240.65
  6. Step 6: Final answer
    x = 9,321.05

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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.