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Finding the Fourth Proportional to 18,614.79, 27,926.73 and 9,259.20

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Solution

The fourth proportional to 18,614.79, 27,926.73 and 9,259.20 is: 13,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.79 : 27,926.73 = 9,259.20 : x
  2. Step 2: Convert to fraction form
    18,614.79/27,926.73 = 9,259.20/x
  3. Step 3: Cross multiply
    18,614.79x = 27,926.73 × 9,259.20
  4. Step 4: Simplify right side
    18,614.79x = 258,579,178.42
  5. Step 5: Solve for x
    x = 258,579,178.42/18,614.79
  6. Step 6: Final answer
    x = 13,891.06

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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.