Home / 13,744.56-18,967.60-7,456.94

Finding the Fourth Proportional to 13,744.56, 18,967.60 and 7,456.94

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Solution

The fourth proportional to 13,744.56, 18,967.60 and 7,456.94 is: 10,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.56 : 18,967.60 = 7,456.94 : x
  2. Step 2: Convert to fraction form
    13,744.56/18,967.60 = 7,456.94/x
  3. Step 3: Cross multiply
    13,744.56x = 18,967.60 × 7,456.94
  4. Step 4: Simplify right side
    13,744.56x = 141,440,255.14
  5. Step 5: Solve for x
    x = 141,440,255.14/13,744.56
  6. Step 6: Final answer
    x = 10,290.64

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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.