Home / 21,252.04-31,879.19-6,459.82

Finding the Fourth Proportional to 21,252.04, 31,879.19 and 6,459.82

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Solution

The fourth proportional to 21,252.04, 31,879.19 and 6,459.82 is: 9,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.04 : 31,879.19 = 6,459.82 : x
  2. Step 2: Convert to fraction form
    21,252.04/31,879.19 = 6,459.82/x
  3. Step 3: Cross multiply
    21,252.04x = 31,879.19 × 6,459.82
  4. Step 4: Simplify right side
    21,252.04x = 205,933,765.60
  5. Step 5: Solve for x
    x = 205,933,765.60/21,252.04
  6. Step 6: Final answer
    x = 9,690.07

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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.