Home / 10,788.36-16,184.34-6,403.56

Finding the Fourth Proportional to 10,788.36, 16,184.34 and 6,403.56

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Solution

The fourth proportional to 10,788.36, 16,184.34 and 6,403.56 is: 9,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.36 : 16,184.34 = 6,403.56 : x
  2. Step 2: Convert to fraction form
    10,788.36/16,184.34 = 6,403.56/x
  3. Step 3: Cross multiply
    10,788.36x = 16,184.34 × 6,403.56
  4. Step 4: Simplify right side
    10,788.36x = 103,637,392.25
  5. Step 5: Solve for x
    x = 103,637,392.25/10,788.36
  6. Step 6: Final answer
    x = 9,606.41

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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.