Home / 9,880.55-13,636.44-6,105.55

Finding the Fourth Proportional to 9,880.55, 13,636.44 and 6,105.55

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Solution

The fourth proportional to 9,880.55, 13,636.44 and 6,105.55 is: 8,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.55 : 13,636.44 = 6,105.55 : x
  2. Step 2: Convert to fraction form
    9,880.55/13,636.44 = 6,105.55/x
  3. Step 3: Cross multiply
    9,880.55x = 13,636.44 × 6,105.55
  4. Step 4: Simplify right side
    9,880.55x = 83,257,966.24
  5. Step 5: Solve for x
    x = 83,257,966.24/9,880.55
  6. Step 6: Final answer
    x = 8,426.45

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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.