Home / 9,859.20-13,576.32-7,059.84

Finding the Fourth Proportional to 9,859.20, 13,576.32 and 7,059.84

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Solution

The fourth proportional to 9,859.20, 13,576.32 and 7,059.84 is: 9,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.20 : 13,576.32 = 7,059.84 : x
  2. Step 2: Convert to fraction form
    9,859.20/13,576.32 = 7,059.84/x
  3. Step 3: Cross multiply
    9,859.20x = 13,576.32 × 7,059.84
  4. Step 4: Simplify right side
    9,859.20x = 95,846,646.99
  5. Step 5: Solve for x
    x = 95,846,646.99/9,859.20
  6. Step 6: Final answer
    x = 9,721.54

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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.