Home / 13,529.43-18,670.50-7,561.03

Finding the Fourth Proportional to 13,529.43, 18,670.50 and 7,561.03

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Solution

The fourth proportional to 13,529.43, 18,670.50 and 7,561.03 is: 10,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.43 : 18,670.50 = 7,561.03 : x
  2. Step 2: Convert to fraction form
    13,529.43/18,670.50 = 7,561.03/x
  3. Step 3: Cross multiply
    13,529.43x = 18,670.50 × 7,561.03
  4. Step 4: Simplify right side
    13,529.43x = 141,168,210.62
  5. Step 5: Solve for x
    x = 141,168,210.62/13,529.43
  6. Step 6: Final answer
    x = 10,434.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.