Home / 19,765.60-29,648.23-8,070.62

Finding the Fourth Proportional to 19,765.60, 29,648.23 and 8,070.62

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Solution

The fourth proportional to 19,765.60, 29,648.23 and 8,070.62 is: 12,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.60 : 29,648.23 = 8,070.62 : x
  2. Step 2: Convert to fraction form
    19,765.60/29,648.23 = 8,070.62/x
  3. Step 3: Cross multiply
    19,765.60x = 29,648.23 × 8,070.62
  4. Step 4: Simplify right side
    19,765.60x = 239,279,598.00
  5. Step 5: Solve for x
    x = 239,279,598.00/19,765.60
  6. Step 6: Final answer
    x = 12,105.86

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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.