Home / 18,527.45-27,791.11-14,316.81

Finding the Fourth Proportional to 18,527.45, 27,791.11 and 14,316.81

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Solution

The fourth proportional to 18,527.45, 27,791.11 and 14,316.81 is: 21,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.45 : 27,791.11 = 14,316.81 : x
  2. Step 2: Convert to fraction form
    18,527.45/27,791.11 = 14,316.81/x
  3. Step 3: Cross multiply
    18,527.45x = 27,791.11 × 14,316.81
  4. Step 4: Simplify right side
    18,527.45x = 397,879,955.24
  5. Step 5: Solve for x
    x = 397,879,955.24/18,527.45
  6. Step 6: Final answer
    x = 21,475.17

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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.