Home / 18,664.26-28,000.83-5,337.45

Finding the Fourth Proportional to 18,664.26, 28,000.83 and 5,337.45

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Solution

The fourth proportional to 18,664.26, 28,000.83 and 5,337.45 is: 8,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.26 : 28,000.83 = 5,337.45 : x
  2. Step 2: Convert to fraction form
    18,664.26/28,000.83 = 5,337.45/x
  3. Step 3: Cross multiply
    18,664.26x = 28,000.83 × 5,337.45
  4. Step 4: Simplify right side
    18,664.26x = 149,453,030.08
  5. Step 5: Solve for x
    x = 149,453,030.08/18,664.26
  6. Step 6: Final answer
    x = 8,007.44

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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.