Home / 9,147.36-13,721.01-3,303.96

Finding the Fourth Proportional to 9,147.36, 13,721.01 and 3,303.96

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Solution

The fourth proportional to 9,147.36, 13,721.01 and 3,303.96 is: 4,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.36 : 13,721.01 = 3,303.96 : x
  2. Step 2: Convert to fraction form
    9,147.36/13,721.01 = 3,303.96/x
  3. Step 3: Cross multiply
    9,147.36x = 13,721.01 × 3,303.96
  4. Step 4: Simplify right side
    9,147.36x = 45,333,668.20
  5. Step 5: Solve for x
    x = 45,333,668.20/9,147.36
  6. Step 6: Final answer
    x = 4,955.93

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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.