Home / 11,259.98-16,881.36-6,816.68

Finding the Fourth Proportional to 11,259.98, 16,881.36 and 6,816.68

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Solution

The fourth proportional to 11,259.98, 16,881.36 and 6,816.68 is: 10,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.98 : 16,881.36 = 6,816.68 : x
  2. Step 2: Convert to fraction form
    11,259.98/16,881.36 = 6,816.68/x
  3. Step 3: Cross multiply
    11,259.98x = 16,881.36 × 6,816.68
  4. Step 4: Simplify right side
    11,259.98x = 115,074,829.08
  5. Step 5: Solve for x
    x = 115,074,829.08/11,259.98
  6. Step 6: Final answer
    x = 10,219.81

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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.