Home / 9,146.12-13,718.49-3,302.72

Finding the Fourth Proportional to 9,146.12, 13,718.49 and 3,302.72

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Solution

The fourth proportional to 9,146.12, 13,718.49 and 3,302.72 is: 4,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.12 : 13,718.49 = 3,302.72 : x
  2. Step 2: Convert to fraction form
    9,146.12/13,718.49 = 3,302.72/x
  3. Step 3: Cross multiply
    9,146.12x = 13,718.49 × 3,302.72
  4. Step 4: Simplify right side
    9,146.12x = 45,308,353.20
  5. Step 5: Solve for x
    x = 45,308,353.20/9,146.12
  6. Step 6: Final answer
    x = 4,953.84

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