Home / 18,301.10-27,431.40-7,204.10

Finding the Fourth Proportional to 18,301.10, 27,431.40 and 7,204.10

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Solution

The fourth proportional to 18,301.10, 27,431.40 and 7,204.10 is: 10,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.10 : 27,431.40 = 7,204.10 : x
  2. Step 2: Convert to fraction form
    18,301.10/27,431.40 = 7,204.10/x
  3. Step 3: Cross multiply
    18,301.10x = 27,431.40 × 7,204.10
  4. Step 4: Simplify right side
    18,301.10x = 197,618,548.74
  5. Step 5: Solve for x
    x = 197,618,548.74/18,301.10
  6. Step 6: Final answer
    x = 10,798.18

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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.