Home / 15,004.01-22,512.49-8,420.33

Finding the Fourth Proportional to 15,004.01, 22,512.49 and 8,420.33

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Solution

The fourth proportional to 15,004.01, 22,512.49 and 8,420.33 is: 12,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.01 : 22,512.49 = 8,420.33 : x
  2. Step 2: Convert to fraction form
    15,004.01/22,512.49 = 8,420.33/x
  3. Step 3: Cross multiply
    15,004.01x = 22,512.49 × 8,420.33
  4. Step 4: Simplify right side
    15,004.01x = 189,562,461.31
  5. Step 5: Solve for x
    x = 189,562,461.31/15,004.01
  6. Step 6: Final answer
    x = 12,634.12

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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.