Home / 9,736.78-14,580.56-6,439.88

Finding the Fourth Proportional to 9,736.78, 14,580.56 and 6,439.88

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Solution

The fourth proportional to 9,736.78, 14,580.56 and 6,439.88 is: 9,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.78 : 14,580.56 = 6,439.88 : x
  2. Step 2: Convert to fraction form
    9,736.78/14,580.56 = 6,439.88/x
  3. Step 3: Cross multiply
    9,736.78x = 14,580.56 × 6,439.88
  4. Step 4: Simplify right side
    9,736.78x = 93,897,056.73
  5. Step 5: Solve for x
    x = 93,897,056.73/9,736.78
  6. Step 6: Final answer
    x = 9,643.54

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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.