Home / 14,313.11-21,470.27-8,762.99

Finding the Fourth Proportional to 14,313.11, 21,470.27 and 8,762.99

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Solution

The fourth proportional to 14,313.11, 21,470.27 and 8,762.99 is: 13,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.11 : 21,470.27 = 8,762.99 : x
  2. Step 2: Convert to fraction form
    14,313.11/21,470.27 = 8,762.99/x
  3. Step 3: Cross multiply
    14,313.11x = 21,470.27 × 8,762.99
  4. Step 4: Simplify right side
    14,313.11x = 188,143,610.14
  5. Step 5: Solve for x
    x = 188,143,610.14/14,313.11
  6. Step 6: Final answer
    x = 13,144.85

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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.