Home / 18,558.91-27,838.77-6,872.23

Finding the Fourth Proportional to 18,558.91, 27,838.77 and 6,872.23

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Solution

The fourth proportional to 18,558.91, 27,838.77 and 6,872.23 is: 10,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.91 : 27,838.77 = 6,872.23 : x
  2. Step 2: Convert to fraction form
    18,558.91/27,838.77 = 6,872.23/x
  3. Step 3: Cross multiply
    18,558.91x = 27,838.77 × 6,872.23
  4. Step 4: Simplify right side
    18,558.91x = 191,314,430.36
  5. Step 5: Solve for x
    x = 191,314,430.36/18,558.91
  6. Step 6: Final answer
    x = 10,308.49

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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.