Home / 12,559.92-17,331.48-6,970.56

Finding the Fourth Proportional to 12,559.92, 17,331.48 and 6,970.56

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Solution

The fourth proportional to 12,559.92, 17,331.48 and 6,970.56 is: 9,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.92 : 17,331.48 = 6,970.56 : x
  2. Step 2: Convert to fraction form
    12,559.92/17,331.48 = 6,970.56/x
  3. Step 3: Cross multiply
    12,559.92x = 17,331.48 × 6,970.56
  4. Step 4: Simplify right side
    12,559.92x = 120,810,121.23
  5. Step 5: Solve for x
    x = 120,810,121.23/12,559.92
  6. Step 6: Final answer
    x = 9,618.70

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1.5x scale

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.