Home / 13,829.28-19,083.36-7,541.44

Finding the Fourth Proportional to 13,829.28, 19,083.36 and 7,541.44

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Solution

The fourth proportional to 13,829.28, 19,083.36 and 7,541.44 is: 10,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.28 : 19,083.36 = 7,541.44 : x
  2. Step 2: Convert to fraction form
    13,829.28/19,083.36 = 7,541.44/x
  3. Step 3: Cross multiply
    13,829.28x = 19,083.36 × 7,541.44
  4. Step 4: Simplify right side
    13,829.28x = 143,916,014.44
  5. Step 5: Solve for x
    x = 143,916,014.44/13,829.28
  6. Step 6: Final answer
    x = 10,406.62

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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.