Home / 16,685.12-23,025.47-9,131.47

Finding the Fourth Proportional to 16,685.12, 23,025.47 and 9,131.47

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Solution

The fourth proportional to 16,685.12, 23,025.47 and 9,131.47 is: 12,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.12 : 23,025.47 = 9,131.47 : x
  2. Step 2: Convert to fraction form
    16,685.12/23,025.47 = 9,131.47/x
  3. Step 3: Cross multiply
    16,685.12x = 23,025.47 × 9,131.47
  4. Step 4: Simplify right side
    16,685.12x = 210,256,285.32
  5. Step 5: Solve for x
    x = 210,256,285.32/16,685.12
  6. Step 6: Final answer
    x = 12,601.42

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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.