Home / 20,583.45-30,825.90-13,060.85

Finding the Fourth Proportional to 20,583.45, 30,825.90 and 13,060.85

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Solution

The fourth proportional to 20,583.45, 30,825.90 and 13,060.85 is: 19,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.45 : 30,825.90 = 13,060.85 : x
  2. Step 2: Convert to fraction form
    20,583.45/30,825.90 = 13,060.85/x
  3. Step 3: Cross multiply
    20,583.45x = 30,825.90 × 13,060.85
  4. Step 4: Simplify right side
    20,583.45x = 402,612,301.89
  5. Step 5: Solve for x
    x = 402,612,301.89/20,583.45
  6. Step 6: Final answer
    x = 19,560.00

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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.