Home / 11,990.16-17,980.80-4,596.48

Finding the Fourth Proportional to 11,990.16, 17,980.80 and 4,596.48

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Solution

The fourth proportional to 11,990.16, 17,980.80 and 4,596.48 is: 6,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.16 : 17,980.80 = 4,596.48 : x
  2. Step 2: Convert to fraction form
    11,990.16/17,980.80 = 4,596.48/x
  3. Step 3: Cross multiply
    11,990.16x = 17,980.80 × 4,596.48
  4. Step 4: Simplify right side
    11,990.16x = 82,648,387.58
  5. Step 5: Solve for x
    x = 82,648,387.58/11,990.16
  6. Step 6: Final answer
    x = 6,893.02

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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.