Home / 12,971.89-19,463.60-6,305.41

Finding the Fourth Proportional to 12,971.89, 19,463.60 and 6,305.41

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Solution

The fourth proportional to 12,971.89, 19,463.60 and 6,305.41 is: 9,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,971.89 : 19,463.60 = 6,305.41 : x
  2. Step 2: Convert to fraction form
    12,971.89/19,463.60 = 6,305.41/x
  3. Step 3: Cross multiply
    12,971.89x = 19,463.60 × 6,305.41
  4. Step 4: Simplify right side
    12,971.89x = 122,725,978.08
  5. Step 5: Solve for x
    x = 122,725,978.08/12,971.89
  6. Step 6: Final answer
    x = 9,460.92

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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.