Home / 10,759.80-16,139.70-3,364.30

Finding the Fourth Proportional to 10,759.80, 16,139.70 and 3,364.30

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Solution

The fourth proportional to 10,759.80, 16,139.70 and 3,364.30 is: 5,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.80 : 16,139.70 = 3,364.30 : x
  2. Step 2: Convert to fraction form
    10,759.80/16,139.70 = 3,364.30/x
  3. Step 3: Cross multiply
    10,759.80x = 16,139.70 × 3,364.30
  4. Step 4: Simplify right side
    10,759.80x = 54,298,792.71
  5. Step 5: Solve for x
    x = 54,298,792.71/10,759.80
  6. Step 6: Final answer
    x = 5,046.45

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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.