Home / 9,147.84-13,719.60-4,214.40

Finding the Fourth Proportional to 9,147.84, 13,719.60 and 4,214.40

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Solution

The fourth proportional to 9,147.84, 13,719.60 and 4,214.40 is: 6,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.84 : 13,719.60 = 4,214.40 : x
  2. Step 2: Convert to fraction form
    9,147.84/13,719.60 = 4,214.40/x
  3. Step 3: Cross multiply
    9,147.84x = 13,719.60 × 4,214.40
  4. Step 4: Simplify right side
    9,147.84x = 57,819,882.24
  5. Step 5: Solve for x
    x = 57,819,882.24/9,147.84
  6. Step 6: Final answer
    x = 6,320.60

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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.