Home / 15,935.47-23,906.07-12,999.94

Finding the Fourth Proportional to 15,935.47, 23,906.07 and 12,999.94

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Solution

The fourth proportional to 15,935.47, 23,906.07 and 12,999.94 is: 19,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.47 : 23,906.07 = 12,999.94 : x
  2. Step 2: Convert to fraction form
    15,935.47/23,906.07 = 12,999.94/x
  3. Step 3: Cross multiply
    15,935.47x = 23,906.07 × 12,999.94
  4. Step 4: Simplify right side
    15,935.47x = 310,777,415.87
  5. Step 5: Solve for x
    x = 310,777,415.87/15,935.47
  6. Step 6: Final answer
    x = 19,502.25

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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.