Home / 10,403.54-14,361.60-6,631.88

Finding the Fourth Proportional to 10,403.54, 14,361.60 and 6,631.88

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Solution

The fourth proportional to 10,403.54, 14,361.60 and 6,631.88 is: 9,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.54 : 14,361.60 = 6,631.88 : x
  2. Step 2: Convert to fraction form
    10,403.54/14,361.60 = 6,631.88/x
  3. Step 3: Cross multiply
    10,403.54x = 14,361.60 × 6,631.88
  4. Step 4: Simplify right side
    10,403.54x = 95,244,360.87
  5. Step 5: Solve for x
    x = 95,244,360.87/10,403.54
  6. Step 6: Final answer
    x = 9,155.00

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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.