Home / 14,021.47-21,062.75-8,477.43

Finding the Fourth Proportional to 14,021.47, 21,062.75 and 8,477.43

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Solution

The fourth proportional to 14,021.47, 21,062.75 and 8,477.43 is: 12,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.47 : 21,062.75 = 8,477.43 : x
  2. Step 2: Convert to fraction form
    14,021.47/21,062.75 = 8,477.43/x
  3. Step 3: Cross multiply
    14,021.47x = 21,062.75 × 8,477.43
  4. Step 4: Simplify right side
    14,021.47x = 178,557,988.73
  5. Step 5: Solve for x
    x = 178,557,988.73/14,021.47
  6. Step 6: Final answer
    x = 12,734.61

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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.