Home / 9,880.58-13,636.42-5,901.68

Finding the Fourth Proportional to 9,880.58, 13,636.42 and 5,901.68

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Solution

The fourth proportional to 9,880.58, 13,636.42 and 5,901.68 is: 8,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.58 : 13,636.42 = 5,901.68 : x
  2. Step 2: Convert to fraction form
    9,880.58/13,636.42 = 5,901.68/x
  3. Step 3: Cross multiply
    9,880.58x = 13,636.42 × 5,901.68
  4. Step 4: Simplify right side
    9,880.58x = 80,477,787.19
  5. Step 5: Solve for x
    x = 80,477,787.19/9,880.58
  6. Step 6: Final answer
    x = 8,145.05

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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.