Home / 13,854.60-20,779.83-4,495.41

Finding the Fourth Proportional to 13,854.60, 20,779.83 and 4,495.41

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Solution

The fourth proportional to 13,854.60, 20,779.83 and 4,495.41 is: 6,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.60 : 20,779.83 = 4,495.41 : x
  2. Step 2: Convert to fraction form
    13,854.60/20,779.83 = 4,495.41/x
  3. Step 3: Cross multiply
    13,854.60x = 20,779.83 × 4,495.41
  4. Step 4: Simplify right side
    13,854.60x = 93,413,855.58
  5. Step 5: Solve for x
    x = 93,413,855.58/13,854.60
  6. Step 6: Final answer
    x = 6,742.44

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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.