Home / 10,858.22-14,982.40-6,382.88

Finding the Fourth Proportional to 10,858.22, 14,982.40 and 6,382.88

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Solution

The fourth proportional to 10,858.22, 14,982.40 and 6,382.88 is: 8,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.22 : 14,982.40 = 6,382.88 : x
  2. Step 2: Convert to fraction form
    10,858.22/14,982.40 = 6,382.88/x
  3. Step 3: Cross multiply
    10,858.22x = 14,982.40 × 6,382.88
  4. Step 4: Simplify right side
    10,858.22x = 95,630,861.31
  5. Step 5: Solve for x
    x = 95,630,861.31/10,858.22
  6. Step 6: Final answer
    x = 8,807.24

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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.