Home / 19,029.94-28,551.49-7,187.13

Finding the Fourth Proportional to 19,029.94, 28,551.49 and 7,187.13

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Solution

The fourth proportional to 19,029.94, 28,551.49 and 7,187.13 is: 10,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.94 : 28,551.49 = 7,187.13 : x
  2. Step 2: Convert to fraction form
    19,029.94/28,551.49 = 7,187.13/x
  3. Step 3: Cross multiply
    19,029.94x = 28,551.49 × 7,187.13
  4. Step 4: Simplify right side
    19,029.94x = 205,203,252.36
  5. Step 5: Solve for x
    x = 205,203,252.36/19,029.94
  6. Step 6: Final answer
    x = 10,783.18

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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.