Home / 12,559.36-17,331.24-6,970

Finding the Fourth Proportional to 12,559.36, 17,331.24 and 6,970

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Solution

The fourth proportional to 12,559.36, 17,331.24 and 6,970 is: 9,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.36 : 17,331.24 = 6,970 : x
  2. Step 2: Convert to fraction form
    12,559.36/17,331.24 = 6,970/x
  3. Step 3: Cross multiply
    12,559.36x = 17,331.24 × 6,970
  4. Step 4: Simplify right side
    12,559.36x = 120,798,742.80
  5. Step 5: Solve for x
    x = 120,798,742.80/12,559.36
  6. Step 6: Final answer
    x = 9,618.22

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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.