Home / 13,846.14-19,107.90-7,877.88

Finding the Fourth Proportional to 13,846.14, 19,107.90 and 7,877.88

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Solution

The fourth proportional to 13,846.14, 19,107.90 and 7,877.88 is: 10,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.14 : 19,107.90 = 7,877.88 : x
  2. Step 2: Convert to fraction form
    13,846.14/19,107.90 = 7,877.88/x
  3. Step 3: Cross multiply
    13,846.14x = 19,107.90 × 7,877.88
  4. Step 4: Simplify right side
    13,846.14x = 150,529,743.25
  5. Step 5: Solve for x
    x = 150,529,743.25/13,846.14
  6. Step 6: Final answer
    x = 10,871.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.