Home / 16,695.68-23,040.29-9,141.86

Finding the Fourth Proportional to 16,695.68, 23,040.29 and 9,141.86

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Solution

The fourth proportional to 16,695.68, 23,040.29 and 9,141.86 is: 12,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.68 : 23,040.29 = 9,141.86 : x
  2. Step 2: Convert to fraction form
    16,695.68/23,040.29 = 9,141.86/x
  3. Step 3: Cross multiply
    16,695.68x = 23,040.29 × 9,141.86
  4. Step 4: Simplify right side
    16,695.68x = 210,631,185.99
  5. Step 5: Solve for x
    x = 210,631,185.99/16,695.68
  6. Step 6: Final answer
    x = 12,615.91

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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.