Home / 13,824.96-19,078.40-7,537.34

Finding the Fourth Proportional to 13,824.96, 19,078.40 and 7,537.34

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Solution

The fourth proportional to 13,824.96, 19,078.40 and 7,537.34 is: 10,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.96 : 19,078.40 = 7,537.34 : x
  2. Step 2: Convert to fraction form
    13,824.96/19,078.40 = 7,537.34/x
  3. Step 3: Cross multiply
    13,824.96x = 19,078.40 × 7,537.34
  4. Step 4: Simplify right side
    13,824.96x = 143,800,387.46
  5. Step 5: Solve for x
    x = 143,800,387.46/13,824.96
  6. Step 6: Final answer
    x = 10,401.50

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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.