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Finding the Fourth Proportional to 14,303.69, 19,735.01 and 8,253.46

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Solution

The fourth proportional to 14,303.69, 19,735.01 and 8,253.46 is: 11,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.69 : 19,735.01 = 8,253.46 : x
  2. Step 2: Convert to fraction form
    14,303.69/19,735.01 = 8,253.46/x
  3. Step 3: Cross multiply
    14,303.69x = 19,735.01 × 8,253.46
  4. Step 4: Simplify right side
    14,303.69x = 162,882,086.93
  5. Step 5: Solve for x
    x = 162,882,086.93/14,303.69
  6. Step 6: Final answer
    x = 11,387.42

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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.