Home / 14,109.39-21,163.95-8,564.27

Finding the Fourth Proportional to 14,109.39, 21,163.95 and 8,564.27

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Solution

The fourth proportional to 14,109.39, 21,163.95 and 8,564.27 is: 12,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.39 : 21,163.95 = 8,564.27 : x
  2. Step 2: Convert to fraction form
    14,109.39/21,163.95 = 8,564.27/x
  3. Step 3: Cross multiply
    14,109.39x = 21,163.95 × 8,564.27
  4. Step 4: Simplify right side
    14,109.39x = 181,253,676.25
  5. Step 5: Solve for x
    x = 181,253,676.25/14,109.39
  6. Step 6: Final answer
    x = 12,846.32

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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.