Home / 15,530.67-21,401.55-11,046.60

Finding the Fourth Proportional to 15,530.67, 21,401.55 and 11,046.60

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Solution

The fourth proportional to 15,530.67, 21,401.55 and 11,046.60 is: 15,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.67 : 21,401.55 = 11,046.60 : x
  2. Step 2: Convert to fraction form
    15,530.67/21,401.55 = 11,046.60/x
  3. Step 3: Cross multiply
    15,530.67x = 21,401.55 × 11,046.60
  4. Step 4: Simplify right side
    15,530.67x = 236,414,362.23
  5. Step 5: Solve for x
    x = 236,414,362.23/15,530.67
  6. Step 6: Final answer
    x = 15,222.42

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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.