Home / 16,996.80-25,495.20-5,313.60

Finding the Fourth Proportional to 16,996.80, 25,495.20 and 5,313.60

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Solution

The fourth proportional to 16,996.80, 25,495.20 and 5,313.60 is: 7,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.80 : 25,495.20 = 5,313.60 : x
  2. Step 2: Convert to fraction form
    16,996.80/25,495.20 = 5,313.60/x
  3. Step 3: Cross multiply
    16,996.80x = 25,495.20 × 5,313.60
  4. Step 4: Simplify right side
    16,996.80x = 135,471,294.72
  5. Step 5: Solve for x
    x = 135,471,294.72/16,996.80
  6. Step 6: Final answer
    x = 7,970.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.