Home / 13,556.97-20,336.18-4,203.45

Finding the Fourth Proportional to 13,556.97, 20,336.18 and 4,203.45

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Solution

The fourth proportional to 13,556.97, 20,336.18 and 4,203.45 is: 6,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.97 : 20,336.18 = 4,203.45 : x
  2. Step 2: Convert to fraction form
    13,556.97/20,336.18 = 4,203.45/x
  3. Step 3: Cross multiply
    13,556.97x = 20,336.18 × 4,203.45
  4. Step 4: Simplify right side
    13,556.97x = 85,482,094.80
  5. Step 5: Solve for x
    x = 85,482,094.80/13,556.97
  6. Step 6: Final answer
    x = 6,305.40

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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.