Home / 15,554.98-21,465.69-8,481.46

Finding the Fourth Proportional to 15,554.98, 21,465.69 and 8,481.46

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Solution

The fourth proportional to 15,554.98, 21,465.69 and 8,481.46 is: 11,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.98 : 21,465.69 = 8,481.46 : x
  2. Step 2: Convert to fraction form
    15,554.98/21,465.69 = 8,481.46/x
  3. Step 3: Cross multiply
    15,554.98x = 21,465.69 × 8,481.46
  4. Step 4: Simplify right side
    15,554.98x = 182,060,391.11
  5. Step 5: Solve for x
    x = 182,060,391.11/15,554.98
  6. Step 6: Final answer
    x = 11,704.32

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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.