Home / 11,443.38-15,792.10-6,475.38

Finding the Fourth Proportional to 11,443.38, 15,792.10 and 6,475.38

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Solution

The fourth proportional to 11,443.38, 15,792.10 and 6,475.38 is: 8,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.38 : 15,792.10 = 6,475.38 : x
  2. Step 2: Convert to fraction form
    11,443.38/15,792.10 = 6,475.38/x
  3. Step 3: Cross multiply
    11,443.38x = 15,792.10 × 6,475.38
  4. Step 4: Simplify right side
    11,443.38x = 102,259,848.50
  5. Step 5: Solve for x
    x = 102,259,848.50/11,443.38
  6. Step 6: Final answer
    x = 8,936.16

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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.