Home / 10,065.29-15,119.82-6,784.79

Finding the Fourth Proportional to 10,065.29, 15,119.82 and 6,784.79

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Solution

The fourth proportional to 10,065.29, 15,119.82 and 6,784.79 is: 10,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.29 : 15,119.82 = 6,784.79 : x
  2. Step 2: Convert to fraction form
    10,065.29/15,119.82 = 6,784.79/x
  3. Step 3: Cross multiply
    10,065.29x = 15,119.82 × 6,784.79
  4. Step 4: Simplify right side
    10,065.29x = 102,584,727.94
  5. Step 5: Solve for x
    x = 102,584,727.94/10,065.29
  6. Step 6: Final answer
    x = 10,191.93

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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.