Home / 13,064.06-19,561.32-8,912.28

Finding the Fourth Proportional to 13,064.06, 19,561.32 and 8,912.28

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Solution

The fourth proportional to 13,064.06, 19,561.32 and 8,912.28 is: 13,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.06 : 19,561.32 = 8,912.28 : x
  2. Step 2: Convert to fraction form
    13,064.06/19,561.32 = 8,912.28/x
  3. Step 3: Cross multiply
    13,064.06x = 19,561.32 × 8,912.28
  4. Step 4: Simplify right side
    13,064.06x = 174,335,961.01
  5. Step 5: Solve for x
    x = 174,335,961.01/13,064.06
  6. Step 6: Final answer
    x = 13,344.70

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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.