Home / 14,485.72-21,731.28-4,625.86

Finding the Fourth Proportional to 14,485.72, 21,731.28 and 4,625.86

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Solution

The fourth proportional to 14,485.72, 21,731.28 and 4,625.86 is: 6,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.72 : 21,731.28 = 4,625.86 : x
  2. Step 2: Convert to fraction form
    14,485.72/21,731.28 = 4,625.86/x
  3. Step 3: Cross multiply
    14,485.72x = 21,731.28 × 4,625.86
  4. Step 4: Simplify right side
    14,485.72x = 100,525,858.90
  5. Step 5: Solve for x
    x = 100,525,858.90/14,485.72
  6. Step 6: Final answer
    x = 6,939.65

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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.