Home / 18,535.36-27,798.18-5,384.20

Finding the Fourth Proportional to 18,535.36, 27,798.18 and 5,384.20

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Solution

The fourth proportional to 18,535.36, 27,798.18 and 5,384.20 is: 8,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.36 : 27,798.18 = 5,384.20 : x
  2. Step 2: Convert to fraction form
    18,535.36/27,798.18 = 5,384.20/x
  3. Step 3: Cross multiply
    18,535.36x = 27,798.18 × 5,384.20
  4. Step 4: Simplify right side
    18,535.36x = 149,670,960.76
  5. Step 5: Solve for x
    x = 149,670,960.76/18,535.36
  6. Step 6: Final answer
    x = 8,074.89

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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.