Home / 18,855.88-26,021.28-10,358.17

Finding the Fourth Proportional to 18,855.88, 26,021.28 and 10,358.17

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Solution

The fourth proportional to 18,855.88, 26,021.28 and 10,358.17 is: 14,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.88 : 26,021.28 = 10,358.17 : x
  2. Step 2: Convert to fraction form
    18,855.88/26,021.28 = 10,358.17/x
  3. Step 3: Cross multiply
    18,855.88x = 26,021.28 × 10,358.17
  4. Step 4: Simplify right side
    18,855.88x = 269,532,954.91
  5. Step 5: Solve for x
    x = 269,532,954.91/18,855.88
  6. Step 6: Final answer
    x = 14,294.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.