Home / 9,719.70-14,581.67-3,146.55

Finding the Fourth Proportional to 9,719.70, 14,581.67 and 3,146.55

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Solution

The fourth proportional to 9,719.70, 14,581.67 and 3,146.55 is: 4,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.70 : 14,581.67 = 3,146.55 : x
  2. Step 2: Convert to fraction form
    9,719.70/14,581.67 = 3,146.55/x
  3. Step 3: Cross multiply
    9,719.70x = 14,581.67 × 3,146.55
  4. Step 4: Simplify right side
    9,719.70x = 45,881,938.01
  5. Step 5: Solve for x
    x = 45,881,938.01/9,719.70
  6. Step 6: Final answer
    x = 4,720.51

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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.