Home / 10,646.64-14,693.82-6,171.80

Finding the Fourth Proportional to 10,646.64, 14,693.82 and 6,171.80

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Solution

The fourth proportional to 10,646.64, 14,693.82 and 6,171.80 is: 8,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.64 : 14,693.82 = 6,171.80 : x
  2. Step 2: Convert to fraction form
    10,646.64/14,693.82 = 6,171.80/x
  3. Step 3: Cross multiply
    10,646.64x = 14,693.82 × 6,171.80
  4. Step 4: Simplify right side
    10,646.64x = 90,687,318.28
  5. Step 5: Solve for x
    x = 90,687,318.28/10,646.64
  6. Step 6: Final answer
    x = 8,517.93

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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.