Home / 13,450.98-20,180.10-4,686.64

Finding the Fourth Proportional to 13,450.98, 20,180.10 and 4,686.64

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Solution

The fourth proportional to 13,450.98, 20,180.10 and 4,686.64 is: 7,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.98 : 20,180.10 = 4,686.64 : x
  2. Step 2: Convert to fraction form
    13,450.98/20,180.10 = 4,686.64/x
  3. Step 3: Cross multiply
    13,450.98x = 20,180.10 × 4,686.64
  4. Step 4: Simplify right side
    13,450.98x = 94,576,863.86
  5. Step 5: Solve for x
    x = 94,576,863.86/13,450.98
  6. Step 6: Final answer
    x = 7,031.22

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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.