Home / 11,525.46-15,905.45-7,049.13

Finding the Fourth Proportional to 11,525.46, 15,905.45 and 7,049.13

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Solution

The fourth proportional to 11,525.46, 15,905.45 and 7,049.13 is: 9,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.46 : 15,905.45 = 7,049.13 : x
  2. Step 2: Convert to fraction form
    11,525.46/15,905.45 = 7,049.13/x
  3. Step 3: Cross multiply
    11,525.46x = 15,905.45 × 7,049.13
  4. Step 4: Simplify right side
    11,525.46x = 112,119,584.76
  5. Step 5: Solve for x
    x = 112,119,584.76/11,525.46
  6. Step 6: Final answer
    x = 9,727.99

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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.