Home / 13,101.45-19,650.02-4,216.34

Finding the Fourth Proportional to 13,101.45, 19,650.02 and 4,216.34

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Solution

The fourth proportional to 13,101.45, 19,650.02 and 4,216.34 is: 6,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.45 : 19,650.02 = 4,216.34 : x
  2. Step 2: Convert to fraction form
    13,101.45/19,650.02 = 4,216.34/x
  3. Step 3: Cross multiply
    13,101.45x = 19,650.02 × 4,216.34
  4. Step 4: Simplify right side
    13,101.45x = 82,851,046.00
  5. Step 5: Solve for x
    x = 82,851,046.00/13,101.45
  6. Step 6: Final answer
    x = 6,323.81

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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.