Home / 18,651.12-25,738.08-10,586.28

Finding the Fourth Proportional to 18,651.12, 25,738.08 and 10,586.28

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Solution

The fourth proportional to 18,651.12, 25,738.08 and 10,586.28 is: 14,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.12 : 25,738.08 = 10,586.28 : x
  2. Step 2: Convert to fraction form
    18,651.12/25,738.08 = 10,586.28/x
  3. Step 3: Cross multiply
    18,651.12x = 25,738.08 × 10,586.28
  4. Step 4: Simplify right side
    18,651.12x = 272,470,521.54
  5. Step 5: Solve for x
    x = 272,470,521.54/18,651.12
  6. Step 6: Final answer
    x = 14,608.80

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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.