Home / 11,128.92-16,678.98-4,547.56

Finding the Fourth Proportional to 11,128.92, 16,678.98 and 4,547.56

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Solution

The fourth proportional to 11,128.92, 16,678.98 and 4,547.56 is: 6,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.92 : 16,678.98 = 4,547.56 : x
  2. Step 2: Convert to fraction form
    11,128.92/16,678.98 = 4,547.56/x
  3. Step 3: Cross multiply
    11,128.92x = 16,678.98 × 4,547.56
  4. Step 4: Simplify right side
    11,128.92x = 75,848,662.29
  5. Step 5: Solve for x
    x = 75,848,662.29/11,128.92
  6. Step 6: Final answer
    x = 6,815.46

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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.