Home / 11,572.24-17,366.80-8,641.60

Finding the Fourth Proportional to 11,572.24, 17,366.80 and 8,641.60

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Solution

The fourth proportional to 11,572.24, 17,366.80 and 8,641.60 is: 12,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.24 : 17,366.80 = 8,641.60 : x
  2. Step 2: Convert to fraction form
    11,572.24/17,366.80 = 8,641.60/x
  3. Step 3: Cross multiply
    11,572.24x = 17,366.80 × 8,641.60
  4. Step 4: Simplify right side
    11,572.24x = 150,076,938.88
  5. Step 5: Solve for x
    x = 150,076,938.88/11,572.24
  6. Step 6: Final answer
    x = 12,968.70

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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.