Home / 15,629.81-21,566.81-9,494.33

Finding the Fourth Proportional to 15,629.81, 21,566.81 and 9,494.33

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Solution

The fourth proportional to 15,629.81, 21,566.81 and 9,494.33 is: 13,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.81 : 21,566.81 = 9,494.33 : x
  2. Step 2: Convert to fraction form
    15,629.81/21,566.81 = 9,494.33/x
  3. Step 3: Cross multiply
    15,629.81x = 21,566.81 × 9,494.33
  4. Step 4: Simplify right side
    15,629.81x = 204,762,327.09
  5. Step 5: Solve for x
    x = 204,762,327.09/15,629.81
  6. Step 6: Final answer
    x = 13,100.76

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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.