Home / 18,510.56-25,544.78-10,012.85

Finding the Fourth Proportional to 18,510.56, 25,544.78 and 10,012.85

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Solution

The fourth proportional to 18,510.56, 25,544.78 and 10,012.85 is: 13,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.56 : 25,544.78 = 10,012.85 : x
  2. Step 2: Convert to fraction form
    18,510.56/25,544.78 = 10,012.85/x
  3. Step 3: Cross multiply
    18,510.56x = 25,544.78 × 10,012.85
  4. Step 4: Simplify right side
    18,510.56x = 255,775,872.63
  5. Step 5: Solve for x
    x = 255,775,872.63/18,510.56
  6. Step 6: Final answer
    x = 13,817.84

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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.