Home / 18,709.34-28,065.22-5,560.61

Finding the Fourth Proportional to 18,709.34, 28,065.22 and 5,560.61

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Solution

The fourth proportional to 18,709.34, 28,065.22 and 5,560.61 is: 8,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.34 : 28,065.22 = 5,560.61 : x
  2. Step 2: Convert to fraction form
    18,709.34/28,065.22 = 5,560.61/x
  3. Step 3: Cross multiply
    18,709.34x = 28,065.22 × 5,560.61
  4. Step 4: Simplify right side
    18,709.34x = 156,059,588.76
  5. Step 5: Solve for x
    x = 156,059,588.76/18,709.34
  6. Step 6: Final answer
    x = 8,341.27

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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.