Home / 15,672.33-21,627.29-8,958.59

Finding the Fourth Proportional to 15,672.33, 21,627.29 and 8,958.59

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Solution

The fourth proportional to 15,672.33, 21,627.29 and 8,958.59 is: 12,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.33 : 21,627.29 = 8,958.59 : x
  2. Step 2: Convert to fraction form
    15,672.33/21,627.29 = 8,958.59/x
  3. Step 3: Cross multiply
    15,672.33x = 21,627.29 × 8,958.59
  4. Step 4: Simplify right side
    15,672.33x = 193,749,870.99
  5. Step 5: Solve for x
    x = 193,749,870.99/15,672.33
  6. Step 6: Final answer
    x = 12,362.54

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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.