Home / 17,970.06-26,948.88-6,879.90

Finding the Fourth Proportional to 17,970.06, 26,948.88 and 6,879.90

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Solution

The fourth proportional to 17,970.06, 26,948.88 and 6,879.90 is: 10,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.06 : 26,948.88 = 6,879.90 : x
  2. Step 2: Convert to fraction form
    17,970.06/26,948.88 = 6,879.90/x
  3. Step 3: Cross multiply
    17,970.06x = 26,948.88 × 6,879.90
  4. Step 4: Simplify right side
    17,970.06x = 185,405,599.51
  5. Step 5: Solve for x
    x = 185,405,599.51/17,970.06
  6. Step 6: Final answer
    x = 10,317.47

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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.