Home / 9,839.76-14,768.18-5,163.08

Finding the Fourth Proportional to 9,839.76, 14,768.18 and 5,163.08

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Solution

The fourth proportional to 9,839.76, 14,768.18 and 5,163.08 is: 7,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.76 : 14,768.18 = 5,163.08 : x
  2. Step 2: Convert to fraction form
    9,839.76/14,768.18 = 5,163.08/x
  3. Step 3: Cross multiply
    9,839.76x = 14,768.18 × 5,163.08
  4. Step 4: Simplify right side
    9,839.76x = 76,249,195.14
  5. Step 5: Solve for x
    x = 76,249,195.14/9,839.76
  6. Step 6: Final answer
    x = 7,749.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.