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Finding the Fourth Proportional to 13,798.68, 20,699.22 and 6,008.28

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Solution

The fourth proportional to 13,798.68, 20,699.22 and 6,008.28 is: 9,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.68 : 20,699.22 = 6,008.28 : x
  2. Step 2: Convert to fraction form
    13,798.68/20,699.22 = 6,008.28/x
  3. Step 3: Cross multiply
    13,798.68x = 20,699.22 × 6,008.28
  4. Step 4: Simplify right side
    13,798.68x = 124,366,709.54
  5. Step 5: Solve for x
    x = 124,366,709.54/13,798.68
  6. Step 6: Final answer
    x = 9,012.94

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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.