Home / 12,110.51-18,165.75-3,225.85

Finding the Fourth Proportional to 12,110.51, 18,165.75 and 3,225.85

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Solution

The fourth proportional to 12,110.51, 18,165.75 and 3,225.85 is: 4,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.51 : 18,165.75 = 3,225.85 : x
  2. Step 2: Convert to fraction form
    12,110.51/18,165.75 = 3,225.85/x
  3. Step 3: Cross multiply
    12,110.51x = 18,165.75 × 3,225.85
  4. Step 4: Simplify right side
    12,110.51x = 58,599,984.64
  5. Step 5: Solve for x
    x = 58,599,984.64/12,110.51
  6. Step 6: Final answer
    x = 4,838.77

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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.