Home / 10,336.82-14,259.92-6,980.80

Finding the Fourth Proportional to 10,336.82, 14,259.92 and 6,980.80

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Solution

The fourth proportional to 10,336.82, 14,259.92 and 6,980.80 is: 9,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.82 : 14,259.92 = 6,980.80 : x
  2. Step 2: Convert to fraction form
    10,336.82/14,259.92 = 6,980.80/x
  3. Step 3: Cross multiply
    10,336.82x = 14,259.92 × 6,980.80
  4. Step 4: Simplify right side
    10,336.82x = 99,545,694.70
  5. Step 5: Solve for x
    x = 99,545,694.70/10,336.82
  6. Step 6: Final answer
    x = 9,630.20

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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.