Home / 21,054.47-31,583.43-6,263.42

Finding the Fourth Proportional to 21,054.47, 31,583.43 and 6,263.42

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Solution

The fourth proportional to 21,054.47, 31,583.43 and 6,263.42 is: 9,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.47 : 31,583.43 = 6,263.42 : x
  2. Step 2: Convert to fraction form
    21,054.47/31,583.43 = 6,263.42/x
  3. Step 3: Cross multiply
    21,054.47x = 31,583.43 × 6,263.42
  4. Step 4: Simplify right side
    21,054.47x = 197,820,129.21
  5. Step 5: Solve for x
    x = 197,820,129.21/21,054.47
  6. Step 6: Final answer
    x = 9,395.64

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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.