Home / 13,787.60-20,673.84-9,410

Finding the Fourth Proportional to 13,787.60, 20,673.84 and 9,410

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Solution

The fourth proportional to 13,787.60, 20,673.84 and 9,410 is: 14,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.60 : 20,673.84 = 9,410 : x
  2. Step 2: Convert to fraction form
    13,787.60/20,673.84 = 9,410/x
  3. Step 3: Cross multiply
    13,787.60x = 20,673.84 × 9,410
  4. Step 4: Simplify right side
    13,787.60x = 194,540,834.40
  5. Step 5: Solve for x
    x = 194,540,834.40/13,787.60
  6. Step 6: Final answer
    x = 14,109.84

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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.