Home / 10,191.09-14,064.39-6,839.49

Finding the Fourth Proportional to 10,191.09, 14,064.39 and 6,839.49

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Solution

The fourth proportional to 10,191.09, 14,064.39 and 6,839.49 is: 9,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.09 : 14,064.39 = 6,839.49 : x
  2. Step 2: Convert to fraction form
    10,191.09/14,064.39 = 6,839.49/x
  3. Step 3: Cross multiply
    10,191.09x = 14,064.39 × 6,839.49
  4. Step 4: Simplify right side
    10,191.09x = 96,193,254.76
  5. Step 5: Solve for x
    x = 96,193,254.76/10,191.09
  6. Step 6: Final answer
    x = 9,438.96

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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.