Home / 9,941.87-13,719.79-5,465.70

Finding the Fourth Proportional to 9,941.87, 13,719.79 and 5,465.70

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Solution

The fourth proportional to 9,941.87, 13,719.79 and 5,465.70 is: 7,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.87 : 13,719.79 = 5,465.70 : x
  2. Step 2: Convert to fraction form
    9,941.87/13,719.79 = 5,465.70/x
  3. Step 3: Cross multiply
    9,941.87x = 13,719.79 × 5,465.70
  4. Step 4: Simplify right side
    9,941.87x = 74,988,256.20
  5. Step 5: Solve for x
    x = 74,988,256.20/9,941.87
  6. Step 6: Final answer
    x = 7,542.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.