Home / 14,408.17-21,612.04-8,787.49

Finding the Fourth Proportional to 14,408.17, 21,612.04 and 8,787.49

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Solution

The fourth proportional to 14,408.17, 21,612.04 and 8,787.49 is: 13,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.17 : 21,612.04 = 8,787.49 : x
  2. Step 2: Convert to fraction form
    14,408.17/21,612.04 = 8,787.49/x
  3. Step 3: Cross multiply
    14,408.17x = 21,612.04 × 8,787.49
  4. Step 4: Simplify right side
    14,408.17x = 189,915,585.38
  5. Step 5: Solve for x
    x = 189,915,585.38/14,408.17
  6. Step 6: Final answer
    x = 13,181.10

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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.