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Finding the Fourth Proportional to 10,651.63, 14,698.96 and 5,935.79

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Solution

The fourth proportional to 10,651.63, 14,698.96 and 5,935.79 is: 8,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.63 : 14,698.96 = 5,935.79 : x
  2. Step 2: Convert to fraction form
    10,651.63/14,698.96 = 5,935.79/x
  3. Step 3: Cross multiply
    10,651.63x = 14,698.96 × 5,935.79
  4. Step 4: Simplify right side
    10,651.63x = 87,249,910.10
  5. Step 5: Solve for x
    x = 87,249,910.10/10,651.63
  6. Step 6: Final answer
    x = 8,191.23

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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.