Home / 11,005.31-16,486.84-8,788.54

Finding the Fourth Proportional to 11,005.31, 16,486.84 and 8,788.54

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Solution

The fourth proportional to 11,005.31, 16,486.84 and 8,788.54 is: 13,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.31 : 16,486.84 = 8,788.54 : x
  2. Step 2: Convert to fraction form
    11,005.31/16,486.84 = 8,788.54/x
  3. Step 3: Cross multiply
    11,005.31x = 16,486.84 × 8,788.54
  4. Step 4: Simplify right side
    11,005.31x = 144,895,252.81
  5. Step 5: Solve for x
    x = 144,895,252.81/11,005.31
  6. Step 6: Final answer
    x = 13,165.94

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1.5x scale

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.