Home / 9,834.45-13,571.40-5,585.46

Finding the Fourth Proportional to 9,834.45, 13,571.40 and 5,585.46

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Solution

The fourth proportional to 9,834.45, 13,571.40 and 5,585.46 is: 7,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.45 : 13,571.40 = 5,585.46 : x
  2. Step 2: Convert to fraction form
    9,834.45/13,571.40 = 5,585.46/x
  3. Step 3: Cross multiply
    9,834.45x = 13,571.40 × 5,585.46
  4. Step 4: Simplify right side
    9,834.45x = 75,802,511.84
  5. Step 5: Solve for x
    x = 75,802,511.84/9,834.45
  6. Step 6: Final answer
    x = 7,707.85

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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.