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Finding the Fourth Proportional to 22,403.10, 33,588.16 and 7,608.04

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Solution

The fourth proportional to 22,403.10, 33,588.16 and 7,608.04 is: 11,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.10 : 33,588.16 = 7,608.04 : x
  2. Step 2: Convert to fraction form
    22,403.10/33,588.16 = 7,608.04/x
  3. Step 3: Cross multiply
    22,403.10x = 33,588.16 × 7,608.04
  4. Step 4: Simplify right side
    22,403.10x = 255,540,064.81
  5. Step 5: Solve for x
    x = 255,540,064.81/22,403.10
  6. Step 6: Final answer
    x = 11,406.46

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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.