Home / 16,861.52-23,268.90-9,409.52

Finding the Fourth Proportional to 16,861.52, 23,268.90 and 9,409.52

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Solution

The fourth proportional to 16,861.52, 23,268.90 and 9,409.52 is: 12,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.52 : 23,268.90 = 9,409.52 : x
  2. Step 2: Convert to fraction form
    16,861.52/23,268.90 = 9,409.52/x
  3. Step 3: Cross multiply
    16,861.52x = 23,268.90 × 9,409.52
  4. Step 4: Simplify right side
    16,861.52x = 218,949,179.93
  5. Step 5: Solve for x
    x = 218,949,179.93/16,861.52
  6. Step 6: Final answer
    x = 12,985.14

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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.