Home / 15,715.22-23,551.36-8,684.82

Finding the Fourth Proportional to 15,715.22, 23,551.36 and 8,684.82

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Solution

The fourth proportional to 15,715.22, 23,551.36 and 8,684.82 is: 13,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.22 : 23,551.36 = 8,684.82 : x
  2. Step 2: Convert to fraction form
    15,715.22/23,551.36 = 8,684.82/x
  3. Step 3: Cross multiply
    15,715.22x = 23,551.36 × 8,684.82
  4. Step 4: Simplify right side
    15,715.22x = 204,539,300.64
  5. Step 5: Solve for x
    x = 204,539,300.64/15,715.22
  6. Step 6: Final answer
    x = 13,015.37

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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.