Home / 13,860.93-20,794.13-4,499.21

Finding the Fourth Proportional to 13,860.93, 20,794.13 and 4,499.21

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Solution

The fourth proportional to 13,860.93, 20,794.13 and 4,499.21 is: 6,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.93 : 20,794.13 = 4,499.21 : x
  2. Step 2: Convert to fraction form
    13,860.93/20,794.13 = 4,499.21/x
  3. Step 3: Cross multiply
    13,860.93x = 20,794.13 × 4,499.21
  4. Step 4: Simplify right side
    13,860.93x = 93,557,053.67
  5. Step 5: Solve for x
    x = 93,557,053.67/13,860.93
  6. Step 6: Final answer
    x = 6,749.70

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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.