Home / 14,091.63-21,140.68-4,857.63

Finding the Fourth Proportional to 14,091.63, 21,140.68 and 4,857.63

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Solution

The fourth proportional to 14,091.63, 21,140.68 and 4,857.63 is: 7,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.63 : 21,140.68 = 4,857.63 : x
  2. Step 2: Convert to fraction form
    14,091.63/21,140.68 = 4,857.63/x
  3. Step 3: Cross multiply
    14,091.63x = 21,140.68 × 4,857.63
  4. Step 4: Simplify right side
    14,091.63x = 102,693,601.39
  5. Step 5: Solve for x
    x = 102,693,601.39/14,091.63
  6. Step 6: Final answer
    x = 7,287.56

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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.