Home / 12,591.44-18,880.71-4,693.64

Finding the Fourth Proportional to 12,591.44, 18,880.71 and 4,693.64

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Solution

The fourth proportional to 12,591.44, 18,880.71 and 4,693.64 is: 7,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.44 : 18,880.71 = 4,693.64 : x
  2. Step 2: Convert to fraction form
    12,591.44/18,880.71 = 4,693.64/x
  3. Step 3: Cross multiply
    12,591.44x = 18,880.71 × 4,693.64
  4. Step 4: Simplify right side
    12,591.44x = 88,619,161.28
  5. Step 5: Solve for x
    x = 88,619,161.28/12,591.44
  6. Step 6: Final answer
    x = 7,038.05

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1.5x scale

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.