Home / 12,760.70-19,140.99-4,969.52

Finding the Fourth Proportional to 12,760.70, 19,140.99 and 4,969.52

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Solution

The fourth proportional to 12,760.70, 19,140.99 and 4,969.52 is: 7,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.70 : 19,140.99 = 4,969.52 : x
  2. Step 2: Convert to fraction form
    12,760.70/19,140.99 = 4,969.52/x
  3. Step 3: Cross multiply
    12,760.70x = 19,140.99 × 4,969.52
  4. Step 4: Simplify right side
    12,760.70x = 95,121,532.62
  5. Step 5: Solve for x
    x = 95,121,532.62/12,760.70
  6. Step 6: Final answer
    x = 7,454.26

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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.