Home / 21,633.04-32,436.42-8,469.64

Finding the Fourth Proportional to 21,633.04, 32,436.42 and 8,469.64

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Solution

The fourth proportional to 21,633.04, 32,436.42 and 8,469.64 is: 12,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.04 : 32,436.42 = 8,469.64 : x
  2. Step 2: Convert to fraction form
    21,633.04/32,436.42 = 8,469.64/x
  3. Step 3: Cross multiply
    21,633.04x = 32,436.42 × 8,469.64
  4. Step 4: Simplify right side
    21,633.04x = 274,724,800.29
  5. Step 5: Solve for x
    x = 274,724,800.29/21,633.04
  6. Step 6: Final answer
    x = 12,699.32

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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.