Home / 15,265.44-21,050.82-10,228.86

Finding the Fourth Proportional to 15,265.44, 21,050.82 and 10,228.86

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Solution

The fourth proportional to 15,265.44, 21,050.82 and 10,228.86 is: 14,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.44 : 21,050.82 = 10,228.86 : x
  2. Step 2: Convert to fraction form
    15,265.44/21,050.82 = 10,228.86/x
  3. Step 3: Cross multiply
    15,265.44x = 21,050.82 × 10,228.86
  4. Step 4: Simplify right side
    15,265.44x = 215,325,890.67
  5. Step 5: Solve for x
    x = 215,325,890.67/15,265.44
  6. Step 6: Final answer
    x = 14,105.45

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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.