Home / 22,188.24-30,610.26-12,754.80

Finding the Fourth Proportional to 22,188.24, 30,610.26 and 12,754.80

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Solution

The fourth proportional to 22,188.24, 30,610.26 and 12,754.80 is: 17,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.24 : 30,610.26 = 12,754.80 : x
  2. Step 2: Convert to fraction form
    22,188.24/30,610.26 = 12,754.80/x
  3. Step 3: Cross multiply
    22,188.24x = 30,610.26 × 12,754.80
  4. Step 4: Simplify right side
    22,188.24x = 390,427,744.25
  5. Step 5: Solve for x
    x = 390,427,744.25/22,188.24
  6. Step 6: Final answer
    x = 17,596.16

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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.