Home / 10,857.96-16,278.93-7,339.23

Finding the Fourth Proportional to 10,857.96, 16,278.93 and 7,339.23

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Solution

The fourth proportional to 10,857.96, 16,278.93 and 7,339.23 is: 11,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.96 : 16,278.93 = 7,339.23 : x
  2. Step 2: Convert to fraction form
    10,857.96/16,278.93 = 7,339.23/x
  3. Step 3: Cross multiply
    10,857.96x = 16,278.93 × 7,339.23
  4. Step 4: Simplify right side
    10,857.96x = 119,474,811.42
  5. Step 5: Solve for x
    x = 119,474,811.42/10,857.96
  6. Step 6: Final answer
    x = 11,003.43

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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.