Home / 12,724.02-19,086.03-3,490.02

Finding the Fourth Proportional to 12,724.02, 19,086.03 and 3,490.02

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Solution

The fourth proportional to 12,724.02, 19,086.03 and 3,490.02 is: 5,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.02 : 19,086.03 = 3,490.02 : x
  2. Step 2: Convert to fraction form
    12,724.02/19,086.03 = 3,490.02/x
  3. Step 3: Cross multiply
    12,724.02x = 19,086.03 × 3,490.02
  4. Step 4: Simplify right side
    12,724.02x = 66,610,626.42
  5. Step 5: Solve for x
    x = 66,610,626.42/12,724.02
  6. Step 6: Final answer
    x = 5,235.03

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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.