Home / 15,606.12-23,404.31-5,215.44

Finding the Fourth Proportional to 15,606.12, 23,404.31 and 5,215.44

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Solution

The fourth proportional to 15,606.12, 23,404.31 and 5,215.44 is: 7,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.12 : 23,404.31 = 5,215.44 : x
  2. Step 2: Convert to fraction form
    15,606.12/23,404.31 = 5,215.44/x
  3. Step 3: Cross multiply
    15,606.12x = 23,404.31 × 5,215.44
  4. Step 4: Simplify right side
    15,606.12x = 122,063,774.55
  5. Step 5: Solve for x
    x = 122,063,774.55/15,606.12
  6. Step 6: Final answer
    x = 7,821.53

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1.5x scale

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.