Home / 13,623.88-18,800.94-7,962.52

Finding the Fourth Proportional to 13,623.88, 18,800.94 and 7,962.52

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Solution

The fourth proportional to 13,623.88, 18,800.94 and 7,962.52 is: 10,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.88 : 18,800.94 = 7,962.52 : x
  2. Step 2: Convert to fraction form
    13,623.88/18,800.94 = 7,962.52/x
  3. Step 3: Cross multiply
    13,623.88x = 18,800.94 × 7,962.52
  4. Step 4: Simplify right side
    13,623.88x = 149,702,860.77
  5. Step 5: Solve for x
    x = 149,702,860.77/13,623.88
  6. Step 6: Final answer
    x = 10,988.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.