Home / 12,180.80-18,263.04-5,598.08

Finding the Fourth Proportional to 12,180.80, 18,263.04 and 5,598.08

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Solution

The fourth proportional to 12,180.80, 18,263.04 and 5,598.08 is: 8,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.80 : 18,263.04 = 5,598.08 : x
  2. Step 2: Convert to fraction form
    12,180.80/18,263.04 = 5,598.08/x
  3. Step 3: Cross multiply
    12,180.80x = 18,263.04 × 5,598.08
  4. Step 4: Simplify right side
    12,180.80x = 102,237,958.96
  5. Step 5: Solve for x
    x = 102,237,958.96/12,180.80
  6. Step 6: Final answer
    x = 8,393.37

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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.