Home / 9,880.12-13,634.84-5,404.14

Finding the Fourth Proportional to 9,880.12, 13,634.84 and 5,404.14

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Solution

The fourth proportional to 9,880.12, 13,634.84 and 5,404.14 is: 7,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.12 : 13,634.84 = 5,404.14 : x
  2. Step 2: Convert to fraction form
    9,880.12/13,634.84 = 5,404.14/x
  3. Step 3: Cross multiply
    9,880.12x = 13,634.84 × 5,404.14
  4. Step 4: Simplify right side
    9,880.12x = 73,684,489.04
  5. Step 5: Solve for x
    x = 73,684,489.04/9,880.12
  6. Step 6: Final answer
    x = 7,457.85

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1.5x scale

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.