Home / 11,354.52-15,669.60-7,104.21

Finding the Fourth Proportional to 11,354.52, 15,669.60 and 7,104.21

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Solution

The fourth proportional to 11,354.52, 15,669.60 and 7,104.21 is: 9,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.52 : 15,669.60 = 7,104.21 : x
  2. Step 2: Convert to fraction form
    11,354.52/15,669.60 = 7,104.21/x
  3. Step 3: Cross multiply
    11,354.52x = 15,669.60 × 7,104.21
  4. Step 4: Simplify right side
    11,354.52x = 111,320,129.02
  5. Step 5: Solve for x
    x = 111,320,129.02/11,354.52
  6. Step 6: Final answer
    x = 9,804.04

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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.