Home / 13,509.25-18,641.87-8,473.25

Finding the Fourth Proportional to 13,509.25, 18,641.87 and 8,473.25

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Solution

The fourth proportional to 13,509.25, 18,641.87 and 8,473.25 is: 11,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.25 : 18,641.87 = 8,473.25 : x
  2. Step 2: Convert to fraction form
    13,509.25/18,641.87 = 8,473.25/x
  3. Step 3: Cross multiply
    13,509.25x = 18,641.87 × 8,473.25
  4. Step 4: Simplify right side
    13,509.25x = 157,957,224.98
  5. Step 5: Solve for x
    x = 157,957,224.98/13,509.25
  6. Step 6: Final answer
    x = 11,692.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.