Home / 11,768.19-17,656.33-7,380.51

Finding the Fourth Proportional to 11,768.19, 17,656.33 and 7,380.51

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Solution

The fourth proportional to 11,768.19, 17,656.33 and 7,380.51 is: 11,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.19 : 17,656.33 = 7,380.51 : x
  2. Step 2: Convert to fraction form
    11,768.19/17,656.33 = 7,380.51/x
  3. Step 3: Cross multiply
    11,768.19x = 17,656.33 × 7,380.51
  4. Step 4: Simplify right side
    11,768.19x = 130,312,720.13
  5. Step 5: Solve for x
    x = 130,312,720.13/11,768.19
  6. Step 6: Final answer
    x = 11,073.30

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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.