Home / 15,662.09-23,493.04-12,561.58

Finding the Fourth Proportional to 15,662.09, 23,493.04 and 12,561.58

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Solution

The fourth proportional to 15,662.09, 23,493.04 and 12,561.58 is: 18,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662.09 : 23,493.04 = 12,561.58 : x
  2. Step 2: Convert to fraction form
    15,662.09/23,493.04 = 12,561.58/x
  3. Step 3: Cross multiply
    15,662.09x = 23,493.04 × 12,561.58
  4. Step 4: Simplify right side
    15,662.09x = 295,109,699.37
  5. Step 5: Solve for x
    x = 295,109,699.37/15,662.09
  6. Step 6: Final answer
    x = 18,842.29

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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.