Home / 21,884.04-30,192.48-12,450.24

Finding the Fourth Proportional to 21,884.04, 30,192.48 and 12,450.24

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Solution

The fourth proportional to 21,884.04, 30,192.48 and 12,450.24 is: 17,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.04 : 30,192.48 = 12,450.24 : x
  2. Step 2: Convert to fraction form
    21,884.04/30,192.48 = 12,450.24/x
  3. Step 3: Cross multiply
    21,884.04x = 30,192.48 × 12,450.24
  4. Step 4: Simplify right side
    21,884.04x = 375,903,622.20
  5. Step 5: Solve for x
    x = 375,903,622.20/21,884.04
  6. Step 6: Final answer
    x = 17,177.07

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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.