Home / 18,265.36-25,204.36-10,307.11

Finding the Fourth Proportional to 18,265.36, 25,204.36 and 10,307.11

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Solution

The fourth proportional to 18,265.36, 25,204.36 and 10,307.11 is: 14,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.36 : 25,204.36 = 10,307.11 : x
  2. Step 2: Convert to fraction form
    18,265.36/25,204.36 = 10,307.11/x
  3. Step 3: Cross multiply
    18,265.36x = 25,204.36 × 10,307.11
  4. Step 4: Simplify right side
    18,265.36x = 259,784,111.00
  5. Step 5: Solve for x
    x = 259,784,111.00/18,265.36
  6. Step 6: Final answer
    x = 14,222.78

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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.