Home / 18,450.79-27,680.27-5,302.13

Finding the Fourth Proportional to 18,450.79, 27,680.27 and 5,302.13

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Solution

The fourth proportional to 18,450.79, 27,680.27 and 5,302.13 is: 7,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.79 : 27,680.27 = 5,302.13 : x
  2. Step 2: Convert to fraction form
    18,450.79/27,680.27 = 5,302.13/x
  3. Step 3: Cross multiply
    18,450.79x = 27,680.27 × 5,302.13
  4. Step 4: Simplify right side
    18,450.79x = 146,764,225.06
  5. Step 5: Solve for x
    x = 146,764,225.06/18,450.79
  6. Step 6: Final answer
    x = 7,954.36

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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.