Home / 18,290.90-25,243.49-10,333.64

Finding the Fourth Proportional to 18,290.90, 25,243.49 and 10,333.64

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Solution

The fourth proportional to 18,290.90, 25,243.49 and 10,333.64 is: 14,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.90 : 25,243.49 = 10,333.64 : x
  2. Step 2: Convert to fraction form
    18,290.90/25,243.49 = 10,333.64/x
  3. Step 3: Cross multiply
    18,290.90x = 25,243.49 × 10,333.64
  4. Step 4: Simplify right side
    18,290.90x = 260,857,138.00
  5. Step 5: Solve for x
    x = 260,857,138.00/18,290.90
  6. Step 6: Final answer
    x = 14,261.58

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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.