Home / 21,997.46-30,360.39-13,048.08

Finding the Fourth Proportional to 21,997.46, 30,360.39 and 13,048.08

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Solution

The fourth proportional to 21,997.46, 30,360.39 and 13,048.08 is: 18,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.46 : 30,360.39 = 13,048.08 : x
  2. Step 2: Convert to fraction form
    21,997.46/30,360.39 = 13,048.08/x
  3. Step 3: Cross multiply
    21,997.46x = 30,360.39 × 13,048.08
  4. Step 4: Simplify right side
    21,997.46x = 396,144,797.55
  5. Step 5: Solve for x
    x = 396,144,797.55/21,997.46
  6. Step 6: Final answer
    x = 18,008.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.