Home / 21,051.35-31,577.05-6,260.41

Finding the Fourth Proportional to 21,051.35, 31,577.05 and 6,260.41

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Solution

The fourth proportional to 21,051.35, 31,577.05 and 6,260.41 is: 9,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.35 : 31,577.05 = 6,260.41 : x
  2. Step 2: Convert to fraction form
    21,051.35/31,577.05 = 6,260.41/x
  3. Step 3: Cross multiply
    21,051.35x = 31,577.05 × 6,260.41
  4. Step 4: Simplify right side
    21,051.35x = 197,685,121.71
  5. Step 5: Solve for x
    x = 197,685,121.71/21,051.35
  6. Step 6: Final answer
    x = 9,390.62

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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.