Home / 21,051.85-31,582.95-6,260.68

Finding the Fourth Proportional to 21,051.85, 31,582.95 and 6,260.68

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Solution

The fourth proportional to 21,051.85, 31,582.95 and 6,260.68 is: 9,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.85 : 31,582.95 = 6,260.68 : x
  2. Step 2: Convert to fraction form
    21,051.85/31,582.95 = 6,260.68/x
  3. Step 3: Cross multiply
    21,051.85x = 31,582.95 × 6,260.68
  4. Step 4: Simplify right side
    21,051.85x = 197,730,743.41
  5. Step 5: Solve for x
    x = 197,730,743.41/21,051.85
  6. Step 6: Final answer
    x = 9,392.56

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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.