Home / 15,981.84-23,956.32-6,118.48

Finding the Fourth Proportional to 15,981.84, 23,956.32 and 6,118.48

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Solution

The fourth proportional to 15,981.84, 23,956.32 and 6,118.48 is: 9,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.84 : 23,956.32 = 6,118.48 : x
  2. Step 2: Convert to fraction form
    15,981.84/23,956.32 = 6,118.48/x
  3. Step 3: Cross multiply
    15,981.84x = 23,956.32 × 6,118.48
  4. Step 4: Simplify right side
    15,981.84x = 146,576,264.79
  5. Step 5: Solve for x
    x = 146,576,264.79/15,981.84
  6. Step 6: Final answer
    x = 9,171.43

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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.