Home / 15,323.30-21,146.24-8,609.22

Finding the Fourth Proportional to 15,323.30, 21,146.24 and 8,609.22

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Solution

The fourth proportional to 15,323.30, 21,146.24 and 8,609.22 is: 11,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.30 : 21,146.24 = 8,609.22 : x
  2. Step 2: Convert to fraction form
    15,323.30/21,146.24 = 8,609.22/x
  3. Step 3: Cross multiply
    15,323.30x = 21,146.24 × 8,609.22
  4. Step 4: Simplify right side
    15,323.30x = 182,052,632.33
  5. Step 5: Solve for x
    x = 182,052,632.33/15,323.30
  6. Step 6: Final answer
    x = 11,880.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.