Home / 11,710.04-17,571.12-5,140.84

Finding the Fourth Proportional to 11,710.04, 17,571.12 and 5,140.84

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Solution

The fourth proportional to 11,710.04, 17,571.12 and 5,140.84 is: 7,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.04 : 17,571.12 = 5,140.84 : x
  2. Step 2: Convert to fraction form
    11,710.04/17,571.12 = 5,140.84/x
  3. Step 3: Cross multiply
    11,710.04x = 17,571.12 × 5,140.84
  4. Step 4: Simplify right side
    11,710.04x = 90,330,316.54
  5. Step 5: Solve for x
    x = 90,330,316.54/11,710.04
  6. Step 6: Final answer
    x = 7,713.92

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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.