Home / 14,270.86-21,407.51-3,740.86

Finding the Fourth Proportional to 14,270.86, 21,407.51 and 3,740.86

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Solution

The fourth proportional to 14,270.86, 21,407.51 and 3,740.86 is: 5,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.86 : 21,407.51 = 3,740.86 : x
  2. Step 2: Convert to fraction form
    14,270.86/21,407.51 = 3,740.86/x
  3. Step 3: Cross multiply
    14,270.86x = 21,407.51 × 3,740.86
  4. Step 4: Simplify right side
    14,270.86x = 80,082,497.86
  5. Step 5: Solve for x
    x = 80,082,497.86/14,270.86
  6. Step 6: Final answer
    x = 5,611.61

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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.