Home / 13,530.03-20,295.03-8,879.46

Finding the Fourth Proportional to 13,530.03, 20,295.03 and 8,879.46

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Solution

The fourth proportional to 13,530.03, 20,295.03 and 8,879.46 is: 13,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.03 : 20,295.03 = 8,879.46 : x
  2. Step 2: Convert to fraction form
    13,530.03/20,295.03 = 8,879.46/x
  3. Step 3: Cross multiply
    13,530.03x = 20,295.03 × 8,879.46
  4. Step 4: Simplify right side
    13,530.03x = 180,208,907.08
  5. Step 5: Solve for x
    x = 180,208,907.08/13,530.03
  6. Step 6: Final answer
    x = 13,319.18

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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.