Home / 16,695.54-23,039.60-9,141.78

Finding the Fourth Proportional to 16,695.54, 23,039.60 and 9,141.78

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Solution

The fourth proportional to 16,695.54, 23,039.60 and 9,141.78 is: 12,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.54 : 23,039.60 = 9,141.78 : x
  2. Step 2: Convert to fraction form
    16,695.54/23,039.60 = 9,141.78/x
  3. Step 3: Cross multiply
    16,695.54x = 23,039.60 × 9,141.78
  4. Step 4: Simplify right side
    16,695.54x = 210,622,954.49
  5. Step 5: Solve for x
    x = 210,622,954.49/16,695.54
  6. Step 6: Final answer
    x = 12,615.52

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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.