Home / 11,887.34-17,804.73-8,130.22

Finding the Fourth Proportional to 11,887.34, 17,804.73 and 8,130.22

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Solution

The fourth proportional to 11,887.34, 17,804.73 and 8,130.22 is: 12,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.34 : 17,804.73 = 8,130.22 : x
  2. Step 2: Convert to fraction form
    11,887.34/17,804.73 = 8,130.22/x
  3. Step 3: Cross multiply
    11,887.34x = 17,804.73 × 8,130.22
  4. Step 4: Simplify right side
    11,887.34x = 144,756,412.34
  5. Step 5: Solve for x
    x = 144,756,412.34/11,887.34
  6. Step 6: Final answer
    x = 12,177.36

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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.