Home / 13,081.44-19,620.24-4,315.23

Finding the Fourth Proportional to 13,081.44, 19,620.24 and 4,315.23

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Solution

The fourth proportional to 13,081.44, 19,620.24 and 4,315.23 is: 6,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.44 : 19,620.24 = 4,315.23 : x
  2. Step 2: Convert to fraction form
    13,081.44/19,620.24 = 4,315.23/x
  3. Step 3: Cross multiply
    13,081.44x = 19,620.24 × 4,315.23
  4. Step 4: Simplify right side
    13,081.44x = 84,665,848.26
  5. Step 5: Solve for x
    x = 84,665,848.26/13,081.44
  6. Step 6: Final answer
    x = 6,472.21

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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.