Home / 13,075.60-18,049.44-8,362.48

Finding the Fourth Proportional to 13,075.60, 18,049.44 and 8,362.48

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Solution

The fourth proportional to 13,075.60, 18,049.44 and 8,362.48 is: 11,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.60 : 18,049.44 = 8,362.48 : x
  2. Step 2: Convert to fraction form
    13,075.60/18,049.44 = 8,362.48/x
  3. Step 3: Cross multiply
    13,075.60x = 18,049.44 × 8,362.48
  4. Step 4: Simplify right side
    13,075.60x = 150,938,081.01
  5. Step 5: Solve for x
    x = 150,938,081.01/13,075.60
  6. Step 6: Final answer
    x = 11,543.49

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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.