Home / 13,570.24-20,328-6,795.40

Finding the Fourth Proportional to 13,570.24, 20,328 and 6,795.40

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Solution

The fourth proportional to 13,570.24, 20,328 and 6,795.40 is: 10,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.24 : 20,328 = 6,795.40 : x
  2. Step 2: Convert to fraction form
    13,570.24/20,328 = 6,795.40/x
  3. Step 3: Cross multiply
    13,570.24x = 20,328 × 6,795.40
  4. Step 4: Simplify right side
    13,570.24x = 138,136,891.20
  5. Step 5: Solve for x
    x = 138,136,891.20/13,570.24
  6. Step 6: Final answer
    x = 10,179.40

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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.