Home / 9,720.60-14,583.73-3,146.64

Finding the Fourth Proportional to 9,720.60, 14,583.73 and 3,146.64

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Solution

The fourth proportional to 9,720.60, 14,583.73 and 3,146.64 is: 4,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.60 : 14,583.73 = 3,146.64 : x
  2. Step 2: Convert to fraction form
    9,720.60/14,583.73 = 3,146.64/x
  3. Step 3: Cross multiply
    9,720.60x = 14,583.73 × 3,146.64
  4. Step 4: Simplify right side
    9,720.60x = 45,889,748.17
  5. Step 5: Solve for x
    x = 45,889,748.17/9,720.60
  6. Step 6: Final answer
    x = 4,720.88

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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.