Home / 20,560.23-30,826.58-7,410.83

Finding the Fourth Proportional to 20,560.23, 30,826.58 and 7,410.83

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Solution

The fourth proportional to 20,560.23, 30,826.58 and 7,410.83 is: 11,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.23 : 30,826.58 = 7,410.83 : x
  2. Step 2: Convert to fraction form
    20,560.23/30,826.58 = 7,410.83/x
  3. Step 3: Cross multiply
    20,560.23x = 30,826.58 × 7,410.83
  4. Step 4: Simplify right side
    20,560.23x = 228,450,352.67
  5. Step 5: Solve for x
    x = 228,450,352.67/20,560.23
  6. Step 6: Final answer
    x = 11,111.27

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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.