Home / 10,274.13-14,165.39-8,383.79

Finding the Fourth Proportional to 10,274.13, 14,165.39 and 8,383.79

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Solution

The fourth proportional to 10,274.13, 14,165.39 and 8,383.79 is: 11,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.13 : 14,165.39 = 8,383.79 : x
  2. Step 2: Convert to fraction form
    10,274.13/14,165.39 = 8,383.79/x
  3. Step 3: Cross multiply
    10,274.13x = 14,165.39 × 8,383.79
  4. Step 4: Simplify right side
    10,274.13x = 118,759,655.03
  5. Step 5: Solve for x
    x = 118,759,655.03/10,274.13
  6. Step 6: Final answer
    x = 11,559.10

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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.