Home / 13,040.12-19,562.24-4,272.99

Finding the Fourth Proportional to 13,040.12, 19,562.24 and 4,272.99

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Solution

The fourth proportional to 13,040.12, 19,562.24 and 4,272.99 is: 6,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.12 : 19,562.24 = 4,272.99 : x
  2. Step 2: Convert to fraction form
    13,040.12/19,562.24 = 4,272.99/x
  3. Step 3: Cross multiply
    13,040.12x = 19,562.24 × 4,272.99
  4. Step 4: Simplify right side
    13,040.12x = 83,589,234.53
  5. Step 5: Solve for x
    x = 83,589,234.53/13,040.12
  6. Step 6: Final answer
    x = 6,410.16

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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.