Home / 13,103.22-19,647.54-4,335.78

Finding the Fourth Proportional to 13,103.22, 19,647.54 and 4,335.78

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Solution

The fourth proportional to 13,103.22, 19,647.54 and 4,335.78 is: 6,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.22 : 19,647.54 = 4,335.78 : x
  2. Step 2: Convert to fraction form
    13,103.22/19,647.54 = 4,335.78/x
  3. Step 3: Cross multiply
    13,103.22x = 19,647.54 × 4,335.78
  4. Step 4: Simplify right side
    13,103.22x = 85,187,410.98
  5. Step 5: Solve for x
    x = 85,187,410.98/13,103.22
  6. Step 6: Final answer
    x = 6,501.26

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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.