Home / 12,223.51-18,334.95-3,904.05

Finding the Fourth Proportional to 12,223.51, 18,334.95 and 3,904.05

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Solution

The fourth proportional to 12,223.51, 18,334.95 and 3,904.05 is: 5,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.51 : 18,334.95 = 3,904.05 : x
  2. Step 2: Convert to fraction form
    12,223.51/18,334.95 = 3,904.05/x
  3. Step 3: Cross multiply
    12,223.51x = 18,334.95 × 3,904.05
  4. Step 4: Simplify right side
    12,223.51x = 71,580,561.55
  5. Step 5: Solve for x
    x = 71,580,561.55/12,223.51
  6. Step 6: Final answer
    x = 5,855.97

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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.