Home / 12,813.26-19,219.80-4,048.80

Finding the Fourth Proportional to 12,813.26, 19,219.80 and 4,048.80

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Solution

The fourth proportional to 12,813.26, 19,219.80 and 4,048.80 is: 6,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.26 : 19,219.80 = 4,048.80 : x
  2. Step 2: Convert to fraction form
    12,813.26/19,219.80 = 4,048.80/x
  3. Step 3: Cross multiply
    12,813.26x = 19,219.80 × 4,048.80
  4. Step 4: Simplify right side
    12,813.26x = 77,817,126.24
  5. Step 5: Solve for x
    x = 77,817,126.24/12,813.26
  6. Step 6: Final answer
    x = 6,073.17

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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.