Home / 21,054.96-31,585.68-6,261.93

Finding the Fourth Proportional to 21,054.96, 31,585.68 and 6,261.93

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Solution

The fourth proportional to 21,054.96, 31,585.68 and 6,261.93 is: 9,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.96 : 31,585.68 = 6,261.93 : x
  2. Step 2: Convert to fraction form
    21,054.96/31,585.68 = 6,261.93/x
  3. Step 3: Cross multiply
    21,054.96x = 31,585.68 × 6,261.93
  4. Step 4: Simplify right side
    21,054.96x = 197,787,317.16
  5. Step 5: Solve for x
    x = 197,787,317.16/21,054.96
  6. Step 6: Final answer
    x = 9,393.86

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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.