Home / 11,784.86-17,685.39-4,395.23

Finding the Fourth Proportional to 11,784.86, 17,685.39 and 4,395.23

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Solution

The fourth proportional to 11,784.86, 17,685.39 and 4,395.23 is: 6,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.86 : 17,685.39 = 4,395.23 : x
  2. Step 2: Convert to fraction form
    11,784.86/17,685.39 = 4,395.23/x
  3. Step 3: Cross multiply
    11,784.86x = 17,685.39 × 4,395.23
  4. Step 4: Simplify right side
    11,784.86x = 77,731,268.26
  5. Step 5: Solve for x
    x = 77,731,268.26/11,784.86
  6. Step 6: Final answer
    x = 6,595.86

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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.