Home / 15,674.24-21,630.60-8,600.48

Finding the Fourth Proportional to 15,674.24, 21,630.60 and 8,600.48

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Solution

The fourth proportional to 15,674.24, 21,630.60 and 8,600.48 is: 11,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.24 : 21,630.60 = 8,600.48 : x
  2. Step 2: Convert to fraction form
    15,674.24/21,630.60 = 8,600.48/x
  3. Step 3: Cross multiply
    15,674.24x = 21,630.60 × 8,600.48
  4. Step 4: Simplify right side
    15,674.24x = 186,033,542.69
  5. Step 5: Solve for x
    x = 186,033,542.69/15,674.24
  6. Step 6: Final answer
    x = 11,868.74

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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.