Home / 12,759.99-19,140.41-4,440.70

Finding the Fourth Proportional to 12,759.99, 19,140.41 and 4,440.70

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Solution

The fourth proportional to 12,759.99, 19,140.41 and 4,440.70 is: 6,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.99 : 19,140.41 = 4,440.70 : x
  2. Step 2: Convert to fraction form
    12,759.99/19,140.41 = 4,440.70/x
  3. Step 3: Cross multiply
    12,759.99x = 19,140.41 × 4,440.70
  4. Step 4: Simplify right side
    12,759.99x = 84,996,818.69
  5. Step 5: Solve for x
    x = 84,996,818.69/12,759.99
  6. Step 6: Final answer
    x = 6,661.20

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Similar ratio
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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.