Home / 14,977.43-20,668.09-9,007.95

Finding the Fourth Proportional to 14,977.43, 20,668.09 and 9,007.95

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Solution

The fourth proportional to 14,977.43, 20,668.09 and 9,007.95 is: 12,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.43 : 20,668.09 = 9,007.95 : x
  2. Step 2: Convert to fraction form
    14,977.43/20,668.09 = 9,007.95/x
  3. Step 3: Cross multiply
    14,977.43x = 20,668.09 × 9,007.95
  4. Step 4: Simplify right side
    14,977.43x = 186,177,121.32
  5. Step 5: Solve for x
    x = 186,177,121.32/14,977.43
  6. Step 6: Final answer
    x = 12,430.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.