Home / 11,403.28-15,676.11-9,804.03

Finding the Fourth Proportional to 11,403.28, 15,676.11 and 9,804.03

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Solution

The fourth proportional to 11,403.28, 15,676.11 and 9,804.03 is: 13,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.28 : 15,676.11 = 9,804.03 : x
  2. Step 2: Convert to fraction form
    11,403.28/15,676.11 = 9,804.03/x
  3. Step 3: Cross multiply
    11,403.28x = 15,676.11 × 9,804.03
  4. Step 4: Simplify right side
    11,403.28x = 153,689,052.72
  5. Step 5: Solve for x
    x = 153,689,052.72/11,403.28
  6. Step 6: Final answer
    x = 13,477.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.