Home / 15,664.88-23,497.32-7,871.84

Finding the Fourth Proportional to 15,664.88, 23,497.32 and 7,871.84

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Solution

The fourth proportional to 15,664.88, 23,497.32 and 7,871.84 is: 11,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.88 : 23,497.32 = 7,871.84 : x
  2. Step 2: Convert to fraction form
    15,664.88/23,497.32 = 7,871.84/x
  3. Step 3: Cross multiply
    15,664.88x = 23,497.32 × 7,871.84
  4. Step 4: Simplify right side
    15,664.88x = 184,967,143.47
  5. Step 5: Solve for x
    x = 184,967,143.47/15,664.88
  6. Step 6: Final answer
    x = 11,807.76

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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.