Home / 18,386.84-25,375.57-10,835.52

Finding the Fourth Proportional to 18,386.84, 25,375.57 and 10,835.52

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Solution

The fourth proportional to 18,386.84, 25,375.57 and 10,835.52 is: 14,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.84 : 25,375.57 = 10,835.52 : x
  2. Step 2: Convert to fraction form
    18,386.84/25,375.57 = 10,835.52/x
  3. Step 3: Cross multiply
    18,386.84x = 25,375.57 × 10,835.52
  4. Step 4: Simplify right side
    18,386.84x = 274,957,469.16
  5. Step 5: Solve for x
    x = 274,957,469.16/18,386.84
  6. Step 6: Final answer
    x = 14,954.04

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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.