Home / 14,296.36-21,435.42-8,454.76

Finding the Fourth Proportional to 14,296.36, 21,435.42 and 8,454.76

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Solution

The fourth proportional to 14,296.36, 21,435.42 and 8,454.76 is: 12,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.36 : 21,435.42 = 8,454.76 : x
  2. Step 2: Convert to fraction form
    14,296.36/21,435.42 = 8,454.76/x
  3. Step 3: Cross multiply
    14,296.36x = 21,435.42 × 8,454.76
  4. Step 4: Simplify right side
    14,296.36x = 181,231,331.60
  5. Step 5: Solve for x
    x = 181,231,331.60/14,296.36
  6. Step 6: Final answer
    x = 12,676.75

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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.