Home / 18,238.64-27,357.91-14,084.69

Finding the Fourth Proportional to 18,238.64, 27,357.91 and 14,084.69

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Solution

The fourth proportional to 18,238.64, 27,357.91 and 14,084.69 is: 21,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.64 : 27,357.91 = 14,084.69 : x
  2. Step 2: Convert to fraction form
    18,238.64/27,357.91 = 14,084.69/x
  3. Step 3: Cross multiply
    18,238.64x = 27,357.91 × 14,084.69
  4. Step 4: Simplify right side
    18,238.64x = 385,327,509.40
  5. Step 5: Solve for x
    x = 385,327,509.40/18,238.64
  6. Step 6: Final answer
    x = 21,126.99

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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.