Home / 11,278.50-15,563.84-6,242.42

Finding the Fourth Proportional to 11,278.50, 15,563.84 and 6,242.42

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Solution

The fourth proportional to 11,278.50, 15,563.84 and 6,242.42 is: 8,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.50 : 15,563.84 = 6,242.42 : x
  2. Step 2: Convert to fraction form
    11,278.50/15,563.84 = 6,242.42/x
  3. Step 3: Cross multiply
    11,278.50x = 15,563.84 × 6,242.42
  4. Step 4: Simplify right side
    11,278.50x = 97,155,998.83
  5. Step 5: Solve for x
    x = 97,155,998.83/11,278.50
  6. Step 6: Final answer
    x = 8,614.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.