Home / 18,604.81-27,901.75-5,455.47

Finding the Fourth Proportional to 18,604.81, 27,901.75 and 5,455.47

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Solution

The fourth proportional to 18,604.81, 27,901.75 and 5,455.47 is: 8,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.81 : 27,901.75 = 5,455.47 : x
  2. Step 2: Convert to fraction form
    18,604.81/27,901.75 = 5,455.47/x
  3. Step 3: Cross multiply
    18,604.81x = 27,901.75 × 5,455.47
  4. Step 4: Simplify right side
    18,604.81x = 152,217,160.07
  5. Step 5: Solve for x
    x = 152,217,160.07/18,604.81
  6. Step 6: Final answer
    x = 8,181.60

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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.