Home / 11,518.09-15,894.79-6,741.32

Finding the Fourth Proportional to 11,518.09, 15,894.79 and 6,741.32

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Solution

The fourth proportional to 11,518.09, 15,894.79 and 6,741.32 is: 9,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.09 : 15,894.79 = 6,741.32 : x
  2. Step 2: Convert to fraction form
    11,518.09/15,894.79 = 6,741.32/x
  3. Step 3: Cross multiply
    11,518.09x = 15,894.79 × 6,741.32
  4. Step 4: Simplify right side
    11,518.09x = 107,151,865.72
  5. Step 5: Solve for x
    x = 107,151,865.72/11,518.09
  6. Step 6: Final answer
    x = 9,302.92

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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.