Home / 10,644.25-14,689.06-6,170.60

Finding the Fourth Proportional to 10,644.25, 14,689.06 and 6,170.60

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Solution

The fourth proportional to 10,644.25, 14,689.06 and 6,170.60 is: 8,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.25 : 14,689.06 = 6,170.60 : x
  2. Step 2: Convert to fraction form
    10,644.25/14,689.06 = 6,170.60/x
  3. Step 3: Cross multiply
    10,644.25x = 14,689.06 × 6,170.60
  4. Step 4: Simplify right side
    10,644.25x = 90,640,313.64
  5. Step 5: Solve for x
    x = 90,640,313.64/10,644.25
  6. Step 6: Final answer
    x = 8,515.43

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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.