Home / 21,041.33-31,534.71-8,546.73

Finding the Fourth Proportional to 21,041.33, 31,534.71 and 8,546.73

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Solution

The fourth proportional to 21,041.33, 31,534.71 and 8,546.73 is: 12,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.33 : 31,534.71 = 8,546.73 : x
  2. Step 2: Convert to fraction form
    21,041.33/31,534.71 = 8,546.73/x
  3. Step 3: Cross multiply
    21,041.33x = 31,534.71 × 8,546.73
  4. Step 4: Simplify right side
    21,041.33x = 269,518,652.00
  5. Step 5: Solve for x
    x = 269,518,652.00/21,041.33
  6. Step 6: Final answer
    x = 12,809.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.