Home / 18,815.24-25,965.88-10,749.60

Finding the Fourth Proportional to 18,815.24, 25,965.88 and 10,749.60

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Solution

The fourth proportional to 18,815.24, 25,965.88 and 10,749.60 is: 14,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.24 : 25,965.88 = 10,749.60 : x
  2. Step 2: Convert to fraction form
    18,815.24/25,965.88 = 10,749.60/x
  3. Step 3: Cross multiply
    18,815.24x = 25,965.88 × 10,749.60
  4. Step 4: Simplify right side
    18,815.24x = 279,122,823.65
  5. Step 5: Solve for x
    x = 279,122,823.65/18,815.24
  6. Step 6: Final answer
    x = 14,834.93

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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.