Home / 8,840.92-13,261.38-8,646.52

Finding the Fourth Proportional to 8,840.92, 13,261.38 and 8,646.52

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Solution

The fourth proportional to 8,840.92, 13,261.38 and 8,646.52 is: 12,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.92 : 13,261.38 = 8,646.52 : x
  2. Step 2: Convert to fraction form
    8,840.92/13,261.38 = 8,646.52/x
  3. Step 3: Cross multiply
    8,840.92x = 13,261.38 × 8,646.52
  4. Step 4: Simplify right side
    8,840.92x = 114,664,787.40
  5. Step 5: Solve for x
    x = 114,664,787.40/8,840.92
  6. Step 6: Final answer
    x = 12,969.78

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.