Home / 11,990.46-17,985.86-4,595.30

Finding the Fourth Proportional to 11,990.46, 17,985.86 and 4,595.30

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Solution

The fourth proportional to 11,990.46, 17,985.86 and 4,595.30 is: 6,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.46 : 17,985.86 = 4,595.30 : x
  2. Step 2: Convert to fraction form
    11,990.46/17,985.86 = 4,595.30/x
  3. Step 3: Cross multiply
    11,990.46x = 17,985.86 × 4,595.30
  4. Step 4: Simplify right side
    11,990.46x = 82,650,422.46
  5. Step 5: Solve for x
    x = 82,650,422.46/11,990.46
  6. Step 6: Final answer
    x = 6,893.02

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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.