Home / 10,640.12-14,679.01-6,100.27

Finding the Fourth Proportional to 10,640.12, 14,679.01 and 6,100.27

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Solution

The fourth proportional to 10,640.12, 14,679.01 and 6,100.27 is: 8,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.12 : 14,679.01 = 6,100.27 : x
  2. Step 2: Convert to fraction form
    10,640.12/14,679.01 = 6,100.27/x
  3. Step 3: Cross multiply
    10,640.12x = 14,679.01 × 6,100.27
  4. Step 4: Simplify right side
    10,640.12x = 89,545,924.33
  5. Step 5: Solve for x
    x = 89,545,924.33/10,640.12
  6. Step 6: Final answer
    x = 8,415.88

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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.