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Finding the Fourth Proportional to 10,686.87, 16,029.08 and 2,895.08

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Solution

The fourth proportional to 10,686.87, 16,029.08 and 2,895.08 is: 4,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.87 : 16,029.08 = 2,895.08 : x
  2. Step 2: Convert to fraction form
    10,686.87/16,029.08 = 2,895.08/x
  3. Step 3: Cross multiply
    10,686.87x = 16,029.08 × 2,895.08
  4. Step 4: Simplify right side
    10,686.87x = 46,405,374.31
  5. Step 5: Solve for x
    x = 46,405,374.31/10,686.87
  6. Step 6: Final answer
    x = 4,342.28

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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.