Home / 13,165.08-19,747.26-4,400.20

Finding the Fourth Proportional to 13,165.08, 19,747.26 and 4,400.20

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Solution

The fourth proportional to 13,165.08, 19,747.26 and 4,400.20 is: 6,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.08 : 19,747.26 = 4,400.20 : x
  2. Step 2: Convert to fraction form
    13,165.08/19,747.26 = 4,400.20/x
  3. Step 3: Cross multiply
    13,165.08x = 19,747.26 × 4,400.20
  4. Step 4: Simplify right side
    13,165.08x = 86,891,893.45
  5. Step 5: Solve for x
    x = 86,891,893.45/13,165.08
  6. Step 6: Final answer
    x = 6,600.18

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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.