Home / 15,556.17-21,466.98-8,841.68

Finding the Fourth Proportional to 15,556.17, 21,466.98 and 8,841.68

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Solution

The fourth proportional to 15,556.17, 21,466.98 and 8,841.68 is: 12,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.17 : 21,466.98 = 8,841.68 : x
  2. Step 2: Convert to fraction form
    15,556.17/21,466.98 = 8,841.68/x
  3. Step 3: Cross multiply
    15,556.17x = 21,466.98 × 8,841.68
  4. Step 4: Simplify right side
    15,556.17x = 189,804,167.73
  5. Step 5: Solve for x
    x = 189,804,167.73/15,556.17
  6. Step 6: Final answer
    x = 12,201.21

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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.