Home / 13,556.88-20,337.48-4,196.52

Finding the Fourth Proportional to 13,556.88, 20,337.48 and 4,196.52

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Solution

The fourth proportional to 13,556.88, 20,337.48 and 4,196.52 is: 6,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.88 : 20,337.48 = 4,196.52 : x
  2. Step 2: Convert to fraction form
    13,556.88/20,337.48 = 4,196.52/x
  3. Step 3: Cross multiply
    13,556.88x = 20,337.48 × 4,196.52
  4. Step 4: Simplify right side
    13,556.88x = 85,346,641.57
  5. Step 5: Solve for x
    x = 85,346,641.57/13,556.88
  6. Step 6: Final answer
    x = 6,295.45

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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.