Home / 13,799.76-20,701.71-6,404.98

Finding the Fourth Proportional to 13,799.76, 20,701.71 and 6,404.98

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Solution

The fourth proportional to 13,799.76, 20,701.71 and 6,404.98 is: 9,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.76 : 20,701.71 = 6,404.98 : x
  2. Step 2: Convert to fraction form
    13,799.76/20,701.71 = 6,404.98/x
  3. Step 3: Cross multiply
    13,799.76x = 20,701.71 × 6,404.98
  4. Step 4: Simplify right side
    13,799.76x = 132,594,038.52
  5. Step 5: Solve for x
    x = 132,594,038.52/13,799.76
  6. Step 6: Final answer
    x = 9,608.43

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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.