Home / 18,510.88-25,544.58-11,343.60

Finding the Fourth Proportional to 18,510.88, 25,544.58 and 11,343.60

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Solution

The fourth proportional to 18,510.88, 25,544.58 and 11,343.60 is: 15,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.88 : 25,544.58 = 11,343.60 : x
  2. Step 2: Convert to fraction form
    18,510.88/25,544.58 = 11,343.60/x
  3. Step 3: Cross multiply
    18,510.88x = 25,544.58 × 11,343.60
  4. Step 4: Simplify right side
    18,510.88x = 289,767,497.69
  5. Step 5: Solve for x
    x = 289,767,497.69/18,510.88
  6. Step 6: Final answer
    x = 15,653.90

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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.