Home / 15,556.82-21,468.93-8,483.63

Finding the Fourth Proportional to 15,556.82, 21,468.93 and 8,483.63

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Solution

The fourth proportional to 15,556.82, 21,468.93 and 8,483.63 is: 11,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.82 : 21,468.93 = 8,483.63 : x
  2. Step 2: Convert to fraction form
    15,556.82/21,468.93 = 8,483.63/x
  3. Step 3: Cross multiply
    15,556.82x = 21,468.93 × 8,483.63
  4. Step 4: Simplify right side
    15,556.82x = 182,134,458.62
  5. Step 5: Solve for x
    x = 182,134,458.62/15,556.82
  6. Step 6: Final answer
    x = 11,707.69

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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.