Home / 21,052.73-31,560.51-8,583.18

Finding the Fourth Proportional to 21,052.73, 31,560.51 and 8,583.18

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Solution

The fourth proportional to 21,052.73, 31,560.51 and 8,583.18 is: 12,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.73 : 31,560.51 = 8,583.18 : x
  2. Step 2: Convert to fraction form
    21,052.73/31,560.51 = 8,583.18/x
  3. Step 3: Cross multiply
    21,052.73x = 31,560.51 × 8,583.18
  4. Step 4: Simplify right side
    21,052.73x = 270,889,538.22
  5. Step 5: Solve for x
    x = 270,889,538.22/21,052.73
  6. Step 6: Final answer
    x = 12,867.20

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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.