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Finding the Fourth Proportional to 14,465.69, 19,974.47 and 10,693.11

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Solution

The fourth proportional to 14,465.69, 19,974.47 and 10,693.11 is: 14,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.69 : 19,974.47 = 10,693.11 : x
  2. Step 2: Convert to fraction form
    14,465.69/19,974.47 = 10,693.11/x
  3. Step 3: Cross multiply
    14,465.69x = 19,974.47 × 10,693.11
  4. Step 4: Simplify right side
    14,465.69x = 213,589,151.44
  5. Step 5: Solve for x
    x = 213,589,151.44/14,465.69
  6. Step 6: Final answer
    x = 14,765.23

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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.