Home / 11,110.64-15,339.48-10,054

Finding the Fourth Proportional to 11,110.64, 15,339.48 and 10,054

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Solution

The fourth proportional to 11,110.64, 15,339.48 and 10,054 is: 13,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.64 : 15,339.48 = 10,054 : x
  2. Step 2: Convert to fraction form
    11,110.64/15,339.48 = 10,054/x
  3. Step 3: Cross multiply
    11,110.64x = 15,339.48 × 10,054
  4. Step 4: Simplify right side
    11,110.64x = 154,223,131.92
  5. Step 5: Solve for x
    x = 154,223,131.92/11,110.64
  6. Step 6: Final answer
    x = 13,880.67

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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.