Home / 13,858.59-20,783.49-4,496.45

Finding the Fourth Proportional to 13,858.59, 20,783.49 and 4,496.45

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Solution

The fourth proportional to 13,858.59, 20,783.49 and 4,496.45 is: 6,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.59 : 20,783.49 = 4,496.45 : x
  2. Step 2: Convert to fraction form
    13,858.59/20,783.49 = 4,496.45/x
  3. Step 3: Cross multiply
    13,858.59x = 20,783.49 × 4,496.45
  4. Step 4: Simplify right side
    13,858.59x = 93,451,890.51
  5. Step 5: Solve for x
    x = 93,451,890.51/13,858.59
  6. Step 6: Final answer
    x = 6,743.24

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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.