Home / 18,622.40-25,698.94-10,238.90

Finding the Fourth Proportional to 18,622.40, 25,698.94 and 10,238.90

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Solution

The fourth proportional to 18,622.40, 25,698.94 and 10,238.90 is: 14,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.40 : 25,698.94 = 10,238.90 : x
  2. Step 2: Convert to fraction form
    18,622.40/25,698.94 = 10,238.90/x
  3. Step 3: Cross multiply
    18,622.40x = 25,698.94 × 10,238.90
  4. Step 4: Simplify right side
    18,622.40x = 263,128,748.27
  5. Step 5: Solve for x
    x = 263,128,748.27/18,622.40
  6. Step 6: Final answer
    x = 14,129.69

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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.