Home / 13,031.88-19,546.85-4,146.86

Finding the Fourth Proportional to 13,031.88, 19,546.85 and 4,146.86

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Solution

The fourth proportional to 13,031.88, 19,546.85 and 4,146.86 is: 6,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.88 : 19,546.85 = 4,146.86 : x
  2. Step 2: Convert to fraction form
    13,031.88/19,546.85 = 4,146.86/x
  3. Step 3: Cross multiply
    13,031.88x = 19,546.85 × 4,146.86
  4. Step 4: Simplify right side
    13,031.88x = 81,057,963.02
  5. Step 5: Solve for x
    x = 81,057,963.02/13,031.88
  6. Step 6: Final answer
    x = 6,219.97

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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.