Home / 21,904.24-30,227.34-12,344.60

Finding the Fourth Proportional to 21,904.24, 30,227.34 and 12,344.60

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Solution

The fourth proportional to 21,904.24, 30,227.34 and 12,344.60 is: 17,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.24 : 30,227.34 = 12,344.60 : x
  2. Step 2: Convert to fraction form
    21,904.24/30,227.34 = 12,344.60/x
  3. Step 3: Cross multiply
    21,904.24x = 30,227.34 × 12,344.60
  4. Step 4: Simplify right side
    21,904.24x = 373,144,421.36
  5. Step 5: Solve for x
    x = 373,144,421.36/21,904.24
  6. Step 6: Final answer
    x = 17,035.26

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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.