Home / 18,321.16-25,283.20-10,363.21

Finding the Fourth Proportional to 18,321.16, 25,283.20 and 10,363.21

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Solution

The fourth proportional to 18,321.16, 25,283.20 and 10,363.21 is: 14,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.16 : 25,283.20 = 10,363.21 : x
  2. Step 2: Convert to fraction form
    18,321.16/25,283.20 = 10,363.21/x
  3. Step 3: Cross multiply
    18,321.16x = 25,283.20 × 10,363.21
  4. Step 4: Simplify right side
    18,321.16x = 262,015,059.26
  5. Step 5: Solve for x
    x = 262,015,059.26/18,321.16
  6. Step 6: Final answer
    x = 14,301.23

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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.