Home / 16,855.50-23,260.60-9,403.50

Finding the Fourth Proportional to 16,855.50, 23,260.60 and 9,403.50

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Solution

The fourth proportional to 16,855.50, 23,260.60 and 9,403.50 is: 12,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.50 : 23,260.60 = 9,403.50 : x
  2. Step 2: Convert to fraction form
    16,855.50/23,260.60 = 9,403.50/x
  3. Step 3: Cross multiply
    16,855.50x = 23,260.60 × 9,403.50
  4. Step 4: Simplify right side
    16,855.50x = 218,731,052.10
  5. Step 5: Solve for x
    x = 218,731,052.10/16,855.50
  6. Step 6: Final answer
    x = 12,976.84

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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.