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Finding the Fourth Proportional to 22,008.94, 30,396.94 and 14,923.06

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Solution

The fourth proportional to 22,008.94, 30,396.94 and 14,923.06 is: 20,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.94 : 30,396.94 = 14,923.06 : x
  2. Step 2: Convert to fraction form
    22,008.94/30,396.94 = 14,923.06/x
  3. Step 3: Cross multiply
    22,008.94x = 30,396.94 × 14,923.06
  4. Step 4: Simplify right side
    22,008.94x = 453,615,246.14
  5. Step 5: Solve for x
    x = 453,615,246.14/22,008.94
  6. Step 6: Final answer
    x = 20,610.50

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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.