Home / 9,147.24-13,720.88-3,303.84

Finding the Fourth Proportional to 9,147.24, 13,720.88 and 3,303.84

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Solution

The fourth proportional to 9,147.24, 13,720.88 and 3,303.84 is: 4,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.24 : 13,720.88 = 3,303.84 : x
  2. Step 2: Convert to fraction form
    9,147.24/13,720.88 = 3,303.84/x
  3. Step 3: Cross multiply
    9,147.24x = 13,720.88 × 3,303.84
  4. Step 4: Simplify right side
    9,147.24x = 45,331,592.18
  5. Step 5: Solve for x
    x = 45,331,592.18/9,147.24
  6. Step 6: Final answer
    x = 4,955.77

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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.