Home / 19,288.49-28,908.87-11,382.99

Finding the Fourth Proportional to 19,288.49, 28,908.87 and 11,382.99

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Solution

The fourth proportional to 19,288.49, 28,908.87 and 11,382.99 is: 17,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.49 : 28,908.87 = 11,382.99 : x
  2. Step 2: Convert to fraction form
    19,288.49/28,908.87 = 11,382.99/x
  3. Step 3: Cross multiply
    19,288.49x = 28,908.87 × 11,382.99
  4. Step 4: Simplify right side
    19,288.49x = 329,069,378.12
  5. Step 5: Solve for x
    x = 329,069,378.12/19,288.49
  6. Step 6: Final answer
    x = 17,060.41

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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.