Home / 13,546.21-18,693.83-7,577.89

Finding the Fourth Proportional to 13,546.21, 18,693.83 and 7,577.89

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Solution

The fourth proportional to 13,546.21, 18,693.83 and 7,577.89 is: 10,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.21 : 18,693.83 = 7,577.89 : x
  2. Step 2: Convert to fraction form
    13,546.21/18,693.83 = 7,577.89/x
  3. Step 3: Cross multiply
    13,546.21x = 18,693.83 × 7,577.89
  4. Step 4: Simplify right side
    13,546.21x = 141,659,656.06
  5. Step 5: Solve for x
    x = 141,659,656.06/13,546.21
  6. Step 6: Final answer
    x = 10,457.51

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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.