Home / 18,330.84-27,495.18-17,838.36

Finding the Fourth Proportional to 18,330.84, 27,495.18 and 17,838.36

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Solution

The fourth proportional to 18,330.84, 27,495.18 and 17,838.36 is: 26,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.84 : 27,495.18 = 17,838.36 : x
  2. Step 2: Convert to fraction form
    18,330.84/27,495.18 = 17,838.36/x
  3. Step 3: Cross multiply
    18,330.84x = 27,495.18 × 17,838.36
  4. Step 4: Simplify right side
    18,330.84x = 490,468,919.10
  5. Step 5: Solve for x
    x = 490,468,919.10/18,330.84
  6. Step 6: Final answer
    x = 26,756.49

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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.