Home / 18,408.84-27,612.80-5,929.72

Finding the Fourth Proportional to 18,408.84, 27,612.80 and 5,929.72

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Solution

The fourth proportional to 18,408.84, 27,612.80 and 5,929.72 is: 8,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.84 : 27,612.80 = 5,929.72 : x
  2. Step 2: Convert to fraction form
    18,408.84/27,612.80 = 5,929.72/x
  3. Step 3: Cross multiply
    18,408.84x = 27,612.80 × 5,929.72
  4. Step 4: Simplify right side
    18,408.84x = 163,736,172.42
  5. Step 5: Solve for x
    x = 163,736,172.42/18,408.84
  6. Step 6: Final answer
    x = 8,894.43

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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.