Home / 13,804.21-20,703.42-4,445.08

Finding the Fourth Proportional to 13,804.21, 20,703.42 and 4,445.08

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Solution

The fourth proportional to 13,804.21, 20,703.42 and 4,445.08 is: 6,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.21 : 20,703.42 = 4,445.08 : x
  2. Step 2: Convert to fraction form
    13,804.21/20,703.42 = 4,445.08/x
  3. Step 3: Cross multiply
    13,804.21x = 20,703.42 × 4,445.08
  4. Step 4: Simplify right side
    13,804.21x = 92,028,358.17
  5. Step 5: Solve for x
    x = 92,028,358.17/13,804.21
  6. Step 6: Final answer
    x = 6,666.69

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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.