Home / 18,359.69-27,535.37-8,990.33

Finding the Fourth Proportional to 18,359.69, 27,535.37 and 8,990.33

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Solution

The fourth proportional to 18,359.69, 27,535.37 and 8,990.33 is: 13,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.69 : 27,535.37 = 8,990.33 : x
  2. Step 2: Convert to fraction form
    18,359.69/27,535.37 = 8,990.33/x
  3. Step 3: Cross multiply
    18,359.69x = 27,535.37 × 8,990.33
  4. Step 4: Simplify right side
    18,359.69x = 247,551,880.34
  5. Step 5: Solve for x
    x = 247,551,880.34/18,359.69
  6. Step 6: Final answer
    x = 13,483.45

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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.