Home / 11,133.34-15,363.60-6,097.78

Finding the Fourth Proportional to 11,133.34, 15,363.60 and 6,097.78

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Solution

The fourth proportional to 11,133.34, 15,363.60 and 6,097.78 is: 8,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.34 : 15,363.60 = 6,097.78 : x
  2. Step 2: Convert to fraction form
    11,133.34/15,363.60 = 6,097.78/x
  3. Step 3: Cross multiply
    11,133.34x = 15,363.60 × 6,097.78
  4. Step 4: Simplify right side
    11,133.34x = 93,683,852.81
  5. Step 5: Solve for x
    x = 93,683,852.81/11,133.34
  6. Step 6: Final answer
    x = 8,414.71

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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.