Home / 9,956.70-13,744.50-7,087.28

Finding the Fourth Proportional to 9,956.70, 13,744.50 and 7,087.28

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Solution

The fourth proportional to 9,956.70, 13,744.50 and 7,087.28 is: 9,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.70 : 13,744.50 = 7,087.28 : x
  2. Step 2: Convert to fraction form
    9,956.70/13,744.50 = 7,087.28/x
  3. Step 3: Cross multiply
    9,956.70x = 13,744.50 × 7,087.28
  4. Step 4: Simplify right side
    9,956.70x = 97,411,169.92
  5. Step 5: Solve for x
    x = 97,411,169.92/9,956.70
  6. Step 6: Final answer
    x = 9,783.48

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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.