Home / 12,558.96-17,331.96-6,970

Finding the Fourth Proportional to 12,558.96, 17,331.96 and 6,970

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Solution

The fourth proportional to 12,558.96, 17,331.96 and 6,970 is: 9,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.96 : 17,331.96 = 6,970 : x
  2. Step 2: Convert to fraction form
    12,558.96/17,331.96 = 6,970/x
  3. Step 3: Cross multiply
    12,558.96x = 17,331.96 × 6,970
  4. Step 4: Simplify right side
    12,558.96x = 120,803,761.20
  5. Step 5: Solve for x
    x = 120,803,761.20/12,558.96
  6. Step 6: Final answer
    x = 9,618.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.