Home / 12,889.55-19,336.76-4,568.60

Finding the Fourth Proportional to 12,889.55, 19,336.76 and 4,568.60

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Solution

The fourth proportional to 12,889.55, 19,336.76 and 4,568.60 is: 6,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.55 : 19,336.76 = 4,568.60 : x
  2. Step 2: Convert to fraction form
    12,889.55/19,336.76 = 4,568.60/x
  3. Step 3: Cross multiply
    12,889.55x = 19,336.76 × 4,568.60
  4. Step 4: Simplify right side
    12,889.55x = 88,341,921.74
  5. Step 5: Solve for x
    x = 88,341,921.74/12,889.55
  6. Step 6: Final answer
    x = 6,853.76

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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.