Home / 11,809.01-17,675.24-8,688.35

Finding the Fourth Proportional to 11,809.01, 17,675.24 and 8,688.35

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Solution

The fourth proportional to 11,809.01, 17,675.24 and 8,688.35 is: 13,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.01 : 17,675.24 = 8,688.35 : x
  2. Step 2: Convert to fraction form
    11,809.01/17,675.24 = 8,688.35/x
  3. Step 3: Cross multiply
    11,809.01x = 17,675.24 × 8,688.35
  4. Step 4: Simplify right side
    11,809.01x = 153,568,539.64
  5. Step 5: Solve for x
    x = 153,568,539.64/11,809.01
  6. Step 6: Final answer
    x = 13,004.36

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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.