Home / 15,669.54-21,622.20-9,293.83

Finding the Fourth Proportional to 15,669.54, 21,622.20 and 9,293.83

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Solution

The fourth proportional to 15,669.54, 21,622.20 and 9,293.83 is: 12,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.54 : 21,622.20 = 9,293.83 : x
  2. Step 2: Convert to fraction form
    15,669.54/21,622.20 = 9,293.83/x
  3. Step 3: Cross multiply
    15,669.54x = 21,622.20 × 9,293.83
  4. Step 4: Simplify right side
    15,669.54x = 200,953,051.03
  5. Step 5: Solve for x
    x = 200,953,051.03/15,669.54
  6. Step 6: Final answer
    x = 12,824.44

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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.