Home / 11,664.08-16,090.44-8,130.32

Finding the Fourth Proportional to 11,664.08, 16,090.44 and 8,130.32

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Solution

The fourth proportional to 11,664.08, 16,090.44 and 8,130.32 is: 11,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.08 : 16,090.44 = 8,130.32 : x
  2. Step 2: Convert to fraction form
    11,664.08/16,090.44 = 8,130.32/x
  3. Step 3: Cross multiply
    11,664.08x = 16,090.44 × 8,130.32
  4. Step 4: Simplify right side
    11,664.08x = 130,820,426.14
  5. Step 5: Solve for x
    x = 130,820,426.14/11,664.08
  6. Step 6: Final answer
    x = 11,215.67

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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.