Home / 13,165.32-19,747.98-5,271.42

Finding the Fourth Proportional to 13,165.32, 19,747.98 and 5,271.42

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Solution

The fourth proportional to 13,165.32, 19,747.98 and 5,271.42 is: 7,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.32 : 19,747.98 = 5,271.42 : x
  2. Step 2: Convert to fraction form
    13,165.32/19,747.98 = 5,271.42/x
  3. Step 3: Cross multiply
    13,165.32x = 19,747.98 × 5,271.42
  4. Step 4: Simplify right side
    13,165.32x = 104,099,896.73
  5. Step 5: Solve for x
    x = 104,099,896.73/13,165.32
  6. Step 6: Final answer
    x = 7,907.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.