Home / 12,623.51-18,936.90-4,301.30

Finding the Fourth Proportional to 12,623.51, 18,936.90 and 4,301.30

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Solution

The fourth proportional to 12,623.51, 18,936.90 and 4,301.30 is: 6,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.51 : 18,936.90 = 4,301.30 : x
  2. Step 2: Convert to fraction form
    12,623.51/18,936.90 = 4,301.30/x
  3. Step 3: Cross multiply
    12,623.51x = 18,936.90 × 4,301.30
  4. Step 4: Simplify right side
    12,623.51x = 81,453,335.31
  5. Step 5: Solve for x
    x = 81,453,335.31/12,623.51
  6. Step 6: Final answer
    x = 6,452.51

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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.