Home / 15,181.32-22,774.57-5,185.51

Finding the Fourth Proportional to 15,181.32, 22,774.57 and 5,185.51

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Solution

The fourth proportional to 15,181.32, 22,774.57 and 5,185.51 is: 7,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.32 : 22,774.57 = 5,185.51 : x
  2. Step 2: Convert to fraction form
    15,181.32/22,774.57 = 5,185.51/x
  3. Step 3: Cross multiply
    15,181.32x = 22,774.57 × 5,185.51
  4. Step 4: Simplify right side
    15,181.32x = 118,097,845.89
  5. Step 5: Solve for x
    x = 118,097,845.89/15,181.32
  6. Step 6: Final answer
    x = 7,779.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.