Home / 10,091.90-13,924.56-6,112.94

Finding the Fourth Proportional to 10,091.90, 13,924.56 and 6,112.94

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Solution

The fourth proportional to 10,091.90, 13,924.56 and 6,112.94 is: 8,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.90 : 13,924.56 = 6,112.94 : x
  2. Step 2: Convert to fraction form
    10,091.90/13,924.56 = 6,112.94/x
  3. Step 3: Cross multiply
    10,091.90x = 13,924.56 × 6,112.94
  4. Step 4: Simplify right side
    10,091.90x = 85,119,999.81
  5. Step 5: Solve for x
    x = 85,119,999.81/10,091.90
  6. Step 6: Final answer
    x = 8,434.49

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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.