Home / 36,091.44-54,143.34-12,397.86

Finding the Fourth Proportional to 36,091.44, 54,143.34 and 12,397.86

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Solution

The fourth proportional to 36,091.44, 54,143.34 and 12,397.86 is: 18,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.44 : 54,143.34 = 12,397.86 : x
  2. Step 2: Convert to fraction form
    36,091.44/54,143.34 = 12,397.86/x
  3. Step 3: Cross multiply
    36,091.44x = 54,143.34 × 12,397.86
  4. Step 4: Simplify right side
    36,091.44x = 671,261,549.25
  5. Step 5: Solve for x
    x = 671,261,549.25/36,091.44
  6. Step 6: Final answer
    x = 18,598.91

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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.