Home / 19,449.13-29,185.02-8,203.75

Finding the Fourth Proportional to 19,449.13, 29,185.02 and 8,203.75

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Solution

The fourth proportional to 19,449.13, 29,185.02 and 8,203.75 is: 12,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.13 : 29,185.02 = 8,203.75 : x
  2. Step 2: Convert to fraction form
    19,449.13/29,185.02 = 8,203.75/x
  3. Step 3: Cross multiply
    19,449.13x = 29,185.02 × 8,203.75
  4. Step 4: Simplify right side
    19,449.13x = 239,426,607.83
  5. Step 5: Solve for x
    x = 239,426,607.83/19,449.13
  6. Step 6: Final answer
    x = 12,310.40

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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.