Home / 10,093.64-13,929-5,617.22

Finding the Fourth Proportional to 10,093.64, 13,929 and 5,617.22

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Solution

The fourth proportional to 10,093.64, 13,929 and 5,617.22 is: 7,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.64 : 13,929 = 5,617.22 : x
  2. Step 2: Convert to fraction form
    10,093.64/13,929 = 5,617.22/x
  3. Step 3: Cross multiply
    10,093.64x = 13,929 × 5,617.22
  4. Step 4: Simplify right side
    10,093.64x = 78,242,257.38
  5. Step 5: Solve for x
    x = 78,242,257.38/10,093.64
  6. Step 6: Final answer
    x = 7,751.64

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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.