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Finding the Fourth Proportional to 14,007.03, 19,329.71 and 7,719.41

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Solution

The fourth proportional to 14,007.03, 19,329.71 and 7,719.41 is: 10,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.03 : 19,329.71 = 7,719.41 : x
  2. Step 2: Convert to fraction form
    14,007.03/19,329.71 = 7,719.41/x
  3. Step 3: Cross multiply
    14,007.03x = 19,329.71 × 7,719.41
  4. Step 4: Simplify right side
    14,007.03x = 149,213,821.43
  5. Step 5: Solve for x
    x = 149,213,821.43/14,007.03
  6. Step 6: Final answer
    x = 10,652.78

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1.5x scale

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.