Home / 21,095.44-31,642.85-6,304.03

Finding the Fourth Proportional to 21,095.44, 31,642.85 and 6,304.03

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Solution

The fourth proportional to 21,095.44, 31,642.85 and 6,304.03 is: 9,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.44 : 31,642.85 = 6,304.03 : x
  2. Step 2: Convert to fraction form
    21,095.44/31,642.85 = 6,304.03/x
  3. Step 3: Cross multiply
    21,095.44x = 31,642.85 × 6,304.03
  4. Step 4: Simplify right side
    21,095.44x = 199,477,412.34
  5. Step 5: Solve for x
    x = 199,477,412.34/21,095.44
  6. Step 6: Final answer
    x = 9,455.95

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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.