Home / 18,228.69-27,314.28-13,275.54

Finding the Fourth Proportional to 18,228.69, 27,314.28 and 13,275.54

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Solution

The fourth proportional to 18,228.69, 27,314.28 and 13,275.54 is: 19,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.69 : 27,314.28 = 13,275.54 : x
  2. Step 2: Convert to fraction form
    18,228.69/27,314.28 = 13,275.54/x
  3. Step 3: Cross multiply
    18,228.69x = 27,314.28 × 13,275.54
  4. Step 4: Simplify right side
    18,228.69x = 362,611,816.71
  5. Step 5: Solve for x
    x = 362,611,816.71/18,228.69
  6. Step 6: Final answer
    x = 19,892.37

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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.