Home / 12,147.60-18,234.36-10,696.08

Finding the Fourth Proportional to 12,147.60, 18,234.36 and 10,696.08

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Solution

The fourth proportional to 12,147.60, 18,234.36 and 10,696.08 is: 16,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.60 : 18,234.36 = 10,696.08 : x
  2. Step 2: Convert to fraction form
    12,147.60/18,234.36 = 10,696.08/x
  3. Step 3: Cross multiply
    12,147.60x = 18,234.36 × 10,696.08
  4. Step 4: Simplify right side
    12,147.60x = 195,036,173.31
  5. Step 5: Solve for x
    x = 195,036,173.31/12,147.60
  6. Step 6: Final answer
    x = 16,055.53

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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.