Home / 9,880.40-13,634.36-5,901.48

Finding the Fourth Proportional to 9,880.40, 13,634.36 and 5,901.48

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Solution

The fourth proportional to 9,880.40, 13,634.36 and 5,901.48 is: 8,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.40 : 13,634.36 = 5,901.48 : x
  2. Step 2: Convert to fraction form
    9,880.40/13,634.36 = 5,901.48/x
  3. Step 3: Cross multiply
    9,880.40x = 13,634.36 × 5,901.48
  4. Step 4: Simplify right side
    9,880.40x = 80,462,902.85
  5. Step 5: Solve for x
    x = 80,462,902.85/9,880.40
  6. Step 6: Final answer
    x = 8,143.69

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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.