Home / 10,257.23-14,147.94-6,280.31

Finding the Fourth Proportional to 10,257.23, 14,147.94 and 6,280.31

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Solution

The fourth proportional to 10,257.23, 14,147.94 and 6,280.31 is: 8,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.23 : 14,147.94 = 6,280.31 : x
  2. Step 2: Convert to fraction form
    10,257.23/14,147.94 = 6,280.31/x
  3. Step 3: Cross multiply
    10,257.23x = 14,147.94 × 6,280.31
  4. Step 4: Simplify right side
    10,257.23x = 88,853,449.06
  5. Step 5: Solve for x
    x = 88,853,449.06/10,257.23
  6. Step 6: Final answer
    x = 8,662.52

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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.