Home / 11,555.15-15,944.33-6,518.98

Finding the Fourth Proportional to 11,555.15, 15,944.33 and 6,518.98

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Solution

The fourth proportional to 11,555.15, 15,944.33 and 6,518.98 is: 8,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.15 : 15,944.33 = 6,518.98 : x
  2. Step 2: Convert to fraction form
    11,555.15/15,944.33 = 6,518.98/x
  3. Step 3: Cross multiply
    11,555.15x = 15,944.33 × 6,518.98
  4. Step 4: Simplify right side
    11,555.15x = 103,940,656.07
  5. Step 5: Solve for x
    x = 103,940,656.07/11,555.15
  6. Step 6: Final answer
    x = 8,995.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.