Home / 10,681.08-16,021.92-2,889.88

Finding the Fourth Proportional to 10,681.08, 16,021.92 and 2,889.88

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Solution

The fourth proportional to 10,681.08, 16,021.92 and 2,889.88 is: 4,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.08 : 16,021.92 = 2,889.88 : x
  2. Step 2: Convert to fraction form
    10,681.08/16,021.92 = 2,889.88/x
  3. Step 3: Cross multiply
    10,681.08x = 16,021.92 × 2,889.88
  4. Step 4: Simplify right side
    10,681.08x = 46,301,426.17
  5. Step 5: Solve for x
    x = 46,301,426.17/10,681.08
  6. Step 6: Final answer
    x = 4,334.90

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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.