Home / 13,353.30-20,029.23-6,779.31

Finding the Fourth Proportional to 13,353.30, 20,029.23 and 6,779.31

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Solution

The fourth proportional to 13,353.30, 20,029.23 and 6,779.31 is: 10,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.30 : 20,029.23 = 6,779.31 : x
  2. Step 2: Convert to fraction form
    13,353.30/20,029.23 = 6,779.31/x
  3. Step 3: Cross multiply
    13,353.30x = 20,029.23 × 6,779.31
  4. Step 4: Simplify right side
    13,353.30x = 135,784,359.23
  5. Step 5: Solve for x
    x = 135,784,359.23/13,353.30
  6. Step 6: Final answer
    x = 10,168.60

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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.