Home / 9,623.89-13,271.95-6,387.99

Finding the Fourth Proportional to 9,623.89, 13,271.95 and 6,387.99

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Solution

The fourth proportional to 9,623.89, 13,271.95 and 6,387.99 is: 8,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.89 : 13,271.95 = 6,387.99 : x
  2. Step 2: Convert to fraction form
    9,623.89/13,271.95 = 6,387.99/x
  3. Step 3: Cross multiply
    9,623.89x = 13,271.95 × 6,387.99
  4. Step 4: Simplify right side
    9,623.89x = 84,781,083.88
  5. Step 5: Solve for x
    x = 84,781,083.88/9,623.89
  6. Step 6: Final answer
    x = 8,809.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.