Home / 11,103.77-15,327.53-7,516.97

Finding the Fourth Proportional to 11,103.77, 15,327.53 and 7,516.97

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Solution

The fourth proportional to 11,103.77, 15,327.53 and 7,516.97 is: 10,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.77 : 15,327.53 = 7,516.97 : x
  2. Step 2: Convert to fraction form
    11,103.77/15,327.53 = 7,516.97/x
  3. Step 3: Cross multiply
    11,103.77x = 15,327.53 × 7,516.97
  4. Step 4: Simplify right side
    11,103.77x = 115,216,583.18
  5. Step 5: Solve for x
    x = 115,216,583.18/11,103.77
  6. Step 6: Final answer
    x = 10,376.35

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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.