Home / 18,163.26-25,065.86-10,205.28

Finding the Fourth Proportional to 18,163.26, 25,065.86 and 10,205.28

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Solution

The fourth proportional to 18,163.26, 25,065.86 and 10,205.28 is: 14,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.26 : 25,065.86 = 10,205.28 : x
  2. Step 2: Convert to fraction form
    18,163.26/25,065.86 = 10,205.28/x
  3. Step 3: Cross multiply
    18,163.26x = 25,065.86 × 10,205.28
  4. Step 4: Simplify right side
    18,163.26x = 255,804,068.71
  5. Step 5: Solve for x
    x = 255,804,068.71/18,163.26
  6. Step 6: Final answer
    x = 14,083.60

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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.