Home / 12,765.60-19,149.02-4,000.59

Finding the Fourth Proportional to 12,765.60, 19,149.02 and 4,000.59

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Solution

The fourth proportional to 12,765.60, 19,149.02 and 4,000.59 is: 6,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.60 : 19,149.02 = 4,000.59 : x
  2. Step 2: Convert to fraction form
    12,765.60/19,149.02 = 4,000.59/x
  3. Step 3: Cross multiply
    12,765.60x = 19,149.02 × 4,000.59
  4. Step 4: Simplify right side
    12,765.60x = 76,607,429.73
  5. Step 5: Solve for x
    x = 76,607,429.73/12,765.60
  6. Step 6: Final answer
    x = 6,001.08

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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.