Home / 11,363.14-15,685.41-6,648.94

Finding the Fourth Proportional to 11,363.14, 15,685.41 and 6,648.94

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Solution

The fourth proportional to 11,363.14, 15,685.41 and 6,648.94 is: 9,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.14 : 15,685.41 = 6,648.94 : x
  2. Step 2: Convert to fraction form
    11,363.14/15,685.41 = 6,648.94/x
  3. Step 3: Cross multiply
    11,363.14x = 15,685.41 × 6,648.94
  4. Step 4: Simplify right side
    11,363.14x = 104,291,349.97
  5. Step 5: Solve for x
    x = 104,291,349.97/11,363.14
  6. Step 6: Final answer
    x = 9,178.04

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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.