Home / 19,008.40-26,228.44-11,048.80

Finding the Fourth Proportional to 19,008.40, 26,228.44 and 11,048.80

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Solution

The fourth proportional to 19,008.40, 26,228.44 and 11,048.80 is: 15,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.40 : 26,228.44 = 11,048.80 : x
  2. Step 2: Convert to fraction form
    19,008.40/26,228.44 = 11,048.80/x
  3. Step 3: Cross multiply
    19,008.40x = 26,228.44 × 11,048.80
  4. Step 4: Simplify right side
    19,008.40x = 289,792,787.87
  5. Step 5: Solve for x
    x = 289,792,787.87/19,008.40
  6. Step 6: Final answer
    x = 15,245.51

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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.