Home / 13,610.26-20,417.81-6,215.47

Finding the Fourth Proportional to 13,610.26, 20,417.81 and 6,215.47

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Solution

The fourth proportional to 13,610.26, 20,417.81 and 6,215.47 is: 9,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.26 : 20,417.81 = 6,215.47 : x
  2. Step 2: Convert to fraction form
    13,610.26/20,417.81 = 6,215.47/x
  3. Step 3: Cross multiply
    13,610.26x = 20,417.81 × 6,215.47
  4. Step 4: Simplify right side
    13,610.26x = 126,906,203.40
  5. Step 5: Solve for x
    x = 126,906,203.40/13,610.26
  6. Step 6: Final answer
    x = 9,324.30

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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.