Home / 11,091.25-15,306.89-6,124.21

Finding the Fourth Proportional to 11,091.25, 15,306.89 and 6,124.21

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Solution

The fourth proportional to 11,091.25, 15,306.89 and 6,124.21 is: 8,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.25 : 15,306.89 = 6,124.21 : x
  2. Step 2: Convert to fraction form
    11,091.25/15,306.89 = 6,124.21/x
  3. Step 3: Cross multiply
    11,091.25x = 15,306.89 × 6,124.21
  4. Step 4: Simplify right side
    11,091.25x = 93,742,608.81
  5. Step 5: Solve for x
    x = 93,742,608.81/11,091.25
  6. Step 6: Final answer
    x = 8,451.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.