Home / 10,112.64-13,953.12-6,133.44

Finding the Fourth Proportional to 10,112.64, 13,953.12 and 6,133.44

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Solution

The fourth proportional to 10,112.64, 13,953.12 and 6,133.44 is: 8,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.64 : 13,953.12 = 6,133.44 : x
  2. Step 2: Convert to fraction form
    10,112.64/13,953.12 = 6,133.44/x
  3. Step 3: Cross multiply
    10,112.64x = 13,953.12 × 6,133.44
  4. Step 4: Simplify right side
    10,112.64x = 85,580,624.33
  5. Step 5: Solve for x
    x = 85,580,624.33/10,112.64
  6. Step 6: Final answer
    x = 8,462.74

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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.