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Finding the Fourth Proportional to 12,434.00, 17,158.87 and 6,769.07

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Solution

The fourth proportional to 12,434.00, 17,158.87 and 6,769.07 is: 9,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.00 : 17,158.87 = 6,769.07 : x
  2. Step 2: Convert to fraction form
    12,434.00/17,158.87 = 6,769.07/x
  3. Step 3: Cross multiply
    12,434.00x = 17,158.87 × 6,769.07
  4. Step 4: Simplify right side
    12,434.00x = 116,149,523.28
  5. Step 5: Solve for x
    x = 116,149,523.28/12,434.00
  6. Step 6: Final answer
    x = 9,341.28

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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.