Home / 19,087.24-28,616.28-12,847

Finding the Fourth Proportional to 19,087.24, 28,616.28 and 12,847

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Solution

The fourth proportional to 19,087.24, 28,616.28 and 12,847 is: 19,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.24 : 28,616.28 = 12,847 : x
  2. Step 2: Convert to fraction form
    19,087.24/28,616.28 = 12,847/x
  3. Step 3: Cross multiply
    19,087.24x = 28,616.28 × 12,847
  4. Step 4: Simplify right side
    19,087.24x = 367,633,349.16
  5. Step 5: Solve for x
    x = 367,633,349.16/19,087.24
  6. Step 6: Final answer
    x = 19,260.69

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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.