Home / 13,844.67-19,107.26-7,877.30

Finding the Fourth Proportional to 13,844.67, 19,107.26 and 7,877.30

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Solution

The fourth proportional to 13,844.67, 19,107.26 and 7,877.30 is: 10,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.67 : 19,107.26 = 7,877.30 : x
  2. Step 2: Convert to fraction form
    13,844.67/19,107.26 = 7,877.30/x
  3. Step 3: Cross multiply
    13,844.67x = 19,107.26 × 7,877.30
  4. Step 4: Simplify right side
    13,844.67x = 150,513,484.28
  5. Step 5: Solve for x
    x = 150,513,484.28/13,844.67
  6. Step 6: Final answer
    x = 10,871.58

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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.