Home / 15,965.93-23,905.07-12,997.42

Finding the Fourth Proportional to 15,965.93, 23,905.07 and 12,997.42

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Solution

The fourth proportional to 15,965.93, 23,905.07 and 12,997.42 is: 19,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.93 : 23,905.07 = 12,997.42 : x
  2. Step 2: Convert to fraction form
    15,965.93/23,905.07 = 12,997.42/x
  3. Step 3: Cross multiply
    15,965.93x = 23,905.07 × 12,997.42
  4. Step 4: Simplify right side
    15,965.93x = 310,704,169.93
  5. Step 5: Solve for x
    x = 310,704,169.93/15,965.93
  6. Step 6: Final answer
    x = 19,460.45

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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.