Home / 21,050.15-29,036.21-12,546.54

Finding the Fourth Proportional to 21,050.15, 29,036.21 and 12,546.54

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Solution

The fourth proportional to 21,050.15, 29,036.21 and 12,546.54 is: 17,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.15 : 29,036.21 = 12,546.54 : x
  2. Step 2: Convert to fraction form
    21,050.15/29,036.21 = 12,546.54/x
  3. Step 3: Cross multiply
    21,050.15x = 29,036.21 × 12,546.54
  4. Step 4: Simplify right side
    21,050.15x = 364,303,907.48
  5. Step 5: Solve for x
    x = 364,303,907.48/21,050.15
  6. Step 6: Final answer
    x = 17,306.48

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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.