Home / 14,115.34-21,154.54-5,785.60

Finding the Fourth Proportional to 14,115.34, 21,154.54 and 5,785.60

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Solution

The fourth proportional to 14,115.34, 21,154.54 and 5,785.60 is: 8,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.34 : 21,154.54 = 5,785.60 : x
  2. Step 2: Convert to fraction form
    14,115.34/21,154.54 = 5,785.60/x
  3. Step 3: Cross multiply
    14,115.34x = 21,154.54 × 5,785.60
  4. Step 4: Simplify right side
    14,115.34x = 122,391,706.62
  5. Step 5: Solve for x
    x = 122,391,706.62/14,115.34
  6. Step 6: Final answer
    x = 8,670.83

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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.