Home / 12,765.41-19,151.07-4,331.47

Finding the Fourth Proportional to 12,765.41, 19,151.07 and 4,331.47

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Solution

The fourth proportional to 12,765.41, 19,151.07 and 4,331.47 is: 6,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.41 : 19,151.07 = 4,331.47 : x
  2. Step 2: Convert to fraction form
    12,765.41/19,151.07 = 4,331.47/x
  3. Step 3: Cross multiply
    12,765.41x = 19,151.07 × 4,331.47
  4. Step 4: Simplify right side
    12,765.41x = 82,952,285.17
  5. Step 5: Solve for x
    x = 82,952,285.17/12,765.41
  6. Step 6: Final answer
    x = 6,498.21

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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.