Home / 16,815.69-25,223.38-6,288.36

Finding the Fourth Proportional to 16,815.69, 25,223.38 and 6,288.36

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Solution

The fourth proportional to 16,815.69, 25,223.38 and 6,288.36 is: 9,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.69 : 25,223.38 = 6,288.36 : x
  2. Step 2: Convert to fraction form
    16,815.69/25,223.38 = 6,288.36/x
  3. Step 3: Cross multiply
    16,815.69x = 25,223.38 × 6,288.36
  4. Step 4: Simplify right side
    16,815.69x = 158,613,693.86
  5. Step 5: Solve for x
    x = 158,613,693.86/16,815.69
  6. Step 6: Final answer
    x = 9,432.48

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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.