Home / 14,288.58-19,718.94-8,623.23

Finding the Fourth Proportional to 14,288.58, 19,718.94 and 8,623.23

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Solution

The fourth proportional to 14,288.58, 19,718.94 and 8,623.23 is: 11,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.58 : 19,718.94 = 8,623.23 : x
  2. Step 2: Convert to fraction form
    14,288.58/19,718.94 = 8,623.23/x
  3. Step 3: Cross multiply
    14,288.58x = 19,718.94 × 8,623.23
  4. Step 4: Simplify right side
    14,288.58x = 170,040,838.00
  5. Step 5: Solve for x
    x = 170,040,838.00/14,288.58
  6. Step 6: Final answer
    x = 11,900.47

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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.