Home / 14,338.08-21,507.09-9,406.54

Finding the Fourth Proportional to 14,338.08, 21,507.09 and 9,406.54

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Solution

The fourth proportional to 14,338.08, 21,507.09 and 9,406.54 is: 14,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.08 : 21,507.09 = 9,406.54 : x
  2. Step 2: Convert to fraction form
    14,338.08/21,507.09 = 9,406.54/x
  3. Step 3: Cross multiply
    14,338.08x = 21,507.09 × 9,406.54
  4. Step 4: Simplify right side
    14,338.08x = 202,307,302.37
  5. Step 5: Solve for x
    x = 202,307,302.37/14,338.08
  6. Step 6: Final answer
    x = 14,109.79

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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.