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Finding the Fourth Proportional to 10,646.43, 14,692.09 and 5,801.14

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Solution

The fourth proportional to 10,646.43, 14,692.09 and 5,801.14 is: 8,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.43 : 14,692.09 = 5,801.14 : x
  2. Step 2: Convert to fraction form
    10,646.43/14,692.09 = 5,801.14/x
  3. Step 3: Cross multiply
    10,646.43x = 14,692.09 × 5,801.14
  4. Step 4: Simplify right side
    10,646.43x = 85,230,797.52
  5. Step 5: Solve for x
    x = 85,230,797.52/10,646.43
  6. Step 6: Final answer
    x = 8,005.58

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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.