Home / 14,325.49-21,500.54-8,091.63

Finding the Fourth Proportional to 14,325.49, 21,500.54 and 8,091.63

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Solution

The fourth proportional to 14,325.49, 21,500.54 and 8,091.63 is: 12,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.49 : 21,500.54 = 8,091.63 : x
  2. Step 2: Convert to fraction form
    14,325.49/21,500.54 = 8,091.63/x
  3. Step 3: Cross multiply
    14,325.49x = 21,500.54 × 8,091.63
  4. Step 4: Simplify right side
    14,325.49x = 173,974,404.37
  5. Step 5: Solve for x
    x = 173,974,404.37/14,325.49
  6. Step 6: Final answer
    x = 12,144.39

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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.