Home / 16,960.79-23,403.08-9,405.92

Finding the Fourth Proportional to 16,960.79, 23,403.08 and 9,405.92

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Solution

The fourth proportional to 16,960.79, 23,403.08 and 9,405.92 is: 12,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.79 : 23,403.08 = 9,405.92 : x
  2. Step 2: Convert to fraction form
    16,960.79/23,403.08 = 9,405.92/x
  3. Step 3: Cross multiply
    16,960.79x = 23,403.08 × 9,405.92
  4. Step 4: Simplify right side
    16,960.79x = 220,127,381.22
  5. Step 5: Solve for x
    x = 220,127,381.22/16,960.79
  6. Step 6: Final answer
    x = 12,978.61

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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.