Home / 10,259.78-14,166.08-6,286.32

Finding the Fourth Proportional to 10,259.78, 14,166.08 and 6,286.32

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Solution

The fourth proportional to 10,259.78, 14,166.08 and 6,286.32 is: 8,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.78 : 14,166.08 = 6,286.32 : x
  2. Step 2: Convert to fraction form
    10,259.78/14,166.08 = 6,286.32/x
  3. Step 3: Cross multiply
    10,259.78x = 14,166.08 × 6,286.32
  4. Step 4: Simplify right side
    10,259.78x = 89,052,512.03
  5. Step 5: Solve for x
    x = 89,052,512.03/10,259.78
  6. Step 6: Final answer
    x = 8,679.77

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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.