Home / 13,352.10-20,006.55-11,148.90

Finding the Fourth Proportional to 13,352.10, 20,006.55 and 11,148.90

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Solution

The fourth proportional to 13,352.10, 20,006.55 and 11,148.90 is: 16,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.10 : 20,006.55 = 11,148.90 : x
  2. Step 2: Convert to fraction form
    13,352.10/20,006.55 = 11,148.90/x
  3. Step 3: Cross multiply
    13,352.10x = 20,006.55 × 11,148.90
  4. Step 4: Simplify right side
    13,352.10x = 223,051,025.30
  5. Step 5: Solve for x
    x = 223,051,025.30/13,352.10
  6. Step 6: Final answer
    x = 16,705.31

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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.