Home / 18,082.63-27,141.47-8,729.23

Finding the Fourth Proportional to 18,082.63, 27,141.47 and 8,729.23

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Solution

The fourth proportional to 18,082.63, 27,141.47 and 8,729.23 is: 13,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.63 : 27,141.47 = 8,729.23 : x
  2. Step 2: Convert to fraction form
    18,082.63/27,141.47 = 8,729.23/x
  3. Step 3: Cross multiply
    18,082.63x = 27,141.47 × 8,729.23
  4. Step 4: Simplify right side
    18,082.63x = 236,924,088.14
  5. Step 5: Solve for x
    x = 236,924,088.14/18,082.63
  6. Step 6: Final answer
    x = 13,102.30

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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.