Home / 15,674.10-21,630.60-8,600.54

Finding the Fourth Proportional to 15,674.10, 21,630.60 and 8,600.54

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Solution

The fourth proportional to 15,674.10, 21,630.60 and 8,600.54 is: 11,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.10 : 21,630.60 = 8,600.54 : x
  2. Step 2: Convert to fraction form
    15,674.10/21,630.60 = 8,600.54/x
  3. Step 3: Cross multiply
    15,674.10x = 21,630.60 × 8,600.54
  4. Step 4: Simplify right side
    15,674.10x = 186,034,732.37
  5. Step 5: Solve for x
    x = 186,034,732.37/15,674.10
  6. Step 6: Final answer
    x = 11,868.93

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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.