Home / 11,089.13-15,302.99-6,374.32

Finding the Fourth Proportional to 11,089.13, 15,302.99 and 6,374.32

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Solution

The fourth proportional to 11,089.13, 15,302.99 and 6,374.32 is: 8,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.13 : 15,302.99 = 6,374.32 : x
  2. Step 2: Convert to fraction form
    11,089.13/15,302.99 = 6,374.32/x
  3. Step 3: Cross multiply
    11,089.13x = 15,302.99 × 6,374.32
  4. Step 4: Simplify right side
    11,089.13x = 97,546,132.90
  5. Step 5: Solve for x
    x = 97,546,132.90/11,089.13
  6. Step 6: Final answer
    x = 8,796.56

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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.