Home / 14,163.72-19,547.46-8,195.28

Finding the Fourth Proportional to 14,163.72, 19,547.46 and 8,195.28

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Solution

The fourth proportional to 14,163.72, 19,547.46 and 8,195.28 is: 11,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.72 : 19,547.46 = 8,195.28 : x
  2. Step 2: Convert to fraction form
    14,163.72/19,547.46 = 8,195.28/x
  3. Step 3: Cross multiply
    14,163.72x = 19,547.46 × 8,195.28
  4. Step 4: Simplify right side
    14,163.72x = 160,196,907.99
  5. Step 5: Solve for x
    x = 160,196,907.99/14,163.72
  6. Step 6: Final answer
    x = 11,310.37

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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.