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Finding the Fourth Proportional to 14,650.94, 21,988.22 and 7,633.10

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Solution

The fourth proportional to 14,650.94, 21,988.22 and 7,633.10 is: 11,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.94 : 21,988.22 = 7,633.10 : x
  2. Step 2: Convert to fraction form
    14,650.94/21,988.22 = 7,633.10/x
  3. Step 3: Cross multiply
    14,650.94x = 21,988.22 × 7,633.10
  4. Step 4: Simplify right side
    14,650.94x = 167,838,282.08
  5. Step 5: Solve for x
    x = 167,838,282.08/14,650.94
  6. Step 6: Final answer
    x = 11,455.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.