Home / 18,240.45-25,171.09-10,284.36

Finding the Fourth Proportional to 18,240.45, 25,171.09 and 10,284.36

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Solution

The fourth proportional to 18,240.45, 25,171.09 and 10,284.36 is: 14,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.45 : 25,171.09 = 10,284.36 : x
  2. Step 2: Convert to fraction form
    18,240.45/25,171.09 = 10,284.36/x
  3. Step 3: Cross multiply
    18,240.45x = 25,171.09 × 10,284.36
  4. Step 4: Simplify right side
    18,240.45x = 258,868,551.15
  5. Step 5: Solve for x
    x = 258,868,551.15/18,240.45
  6. Step 6: Final answer
    x = 14,192.00

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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.