Home / 14,021.36-21,040.32-5,700.76

Finding the Fourth Proportional to 14,021.36, 21,040.32 and 5,700.76

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Solution

The fourth proportional to 14,021.36, 21,040.32 and 5,700.76 is: 8,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.36 : 21,040.32 = 5,700.76 : x
  2. Step 2: Convert to fraction form
    14,021.36/21,040.32 = 5,700.76/x
  3. Step 3: Cross multiply
    14,021.36x = 21,040.32 × 5,700.76
  4. Step 4: Simplify right side
    14,021.36x = 119,945,814.64
  5. Step 5: Solve for x
    x = 119,945,814.64/14,021.36
  6. Step 6: Final answer
    x = 8,554.51

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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.