Home / 10,904-16,355.64-3,508.88

Finding the Fourth Proportional to 10,904, 16,355.64 and 3,508.88

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Solution

The fourth proportional to 10,904, 16,355.64 and 3,508.88 is: 5,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904 : 16,355.64 = 3,508.88 : x
  2. Step 2: Convert to fraction form
    10,904/16,355.64 = 3,508.88/x
  3. Step 3: Cross multiply
    10,904x = 16,355.64 × 3,508.88
  4. Step 4: Simplify right side
    10,904x = 57,389,978.08
  5. Step 5: Solve for x
    x = 57,389,978.08/10,904
  6. Step 6: Final answer
    x = 5,263.20

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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.