Home / 11,259.70-16,886.57-3,360.34

Finding the Fourth Proportional to 11,259.70, 16,886.57 and 3,360.34

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Solution

The fourth proportional to 11,259.70, 16,886.57 and 3,360.34 is: 5,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.70 : 16,886.57 = 3,360.34 : x
  2. Step 2: Convert to fraction form
    11,259.70/16,886.57 = 3,360.34/x
  3. Step 3: Cross multiply
    11,259.70x = 16,886.57 × 3,360.34
  4. Step 4: Simplify right side
    11,259.70x = 56,744,616.63
  5. Step 5: Solve for x
    x = 56,744,616.63/11,259.70
  6. Step 6: Final answer
    x = 5,039.62

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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.