Home / 14,260.56-19,676.43-8,289.15

Finding the Fourth Proportional to 14,260.56, 19,676.43 and 8,289.15

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Solution

The fourth proportional to 14,260.56, 19,676.43 and 8,289.15 is: 11,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.56 : 19,676.43 = 8,289.15 : x
  2. Step 2: Convert to fraction form
    14,260.56/19,676.43 = 8,289.15/x
  3. Step 3: Cross multiply
    14,260.56x = 19,676.43 × 8,289.15
  4. Step 4: Simplify right side
    14,260.56x = 163,100,879.73
  5. Step 5: Solve for x
    x = 163,100,879.73/14,260.56
  6. Step 6: Final answer
    x = 11,437.20

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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.