Home / 18,048.40-27,036.78-14,134.48

Finding the Fourth Proportional to 18,048.40, 27,036.78 and 14,134.48

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Solution

The fourth proportional to 18,048.40, 27,036.78 and 14,134.48 is: 21,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.40 : 27,036.78 = 14,134.48 : x
  2. Step 2: Convert to fraction form
    18,048.40/27,036.78 = 14,134.48/x
  3. Step 3: Cross multiply
    18,048.40x = 27,036.78 × 14,134.48
  4. Step 4: Simplify right side
    18,048.40x = 382,150,826.17
  5. Step 5: Solve for x
    x = 382,150,826.17/18,048.40
  6. Step 6: Final answer
    x = 21,173.67

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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.