Home / 11,337.55-16,991.89-6,409.93

Finding the Fourth Proportional to 11,337.55, 16,991.89 and 6,409.93

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Solution

The fourth proportional to 11,337.55, 16,991.89 and 6,409.93 is: 9,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.55 : 16,991.89 = 6,409.93 : x
  2. Step 2: Convert to fraction form
    11,337.55/16,991.89 = 6,409.93/x
  3. Step 3: Cross multiply
    11,337.55x = 16,991.89 × 6,409.93
  4. Step 4: Simplify right side
    11,337.55x = 108,916,825.47
  5. Step 5: Solve for x
    x = 108,916,825.47/11,337.55
  6. Step 6: Final answer
    x = 9,606.73

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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.