Home / 10,784.56-14,879.70-6,476.54

Finding the Fourth Proportional to 10,784.56, 14,879.70 and 6,476.54

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Solution

The fourth proportional to 10,784.56, 14,879.70 and 6,476.54 is: 8,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.56 : 14,879.70 = 6,476.54 : x
  2. Step 2: Convert to fraction form
    10,784.56/14,879.70 = 6,476.54/x
  3. Step 3: Cross multiply
    10,784.56x = 14,879.70 × 6,476.54
  4. Step 4: Simplify right side
    10,784.56x = 96,368,972.24
  5. Step 5: Solve for x
    x = 96,368,972.24/10,784.56
  6. Step 6: Final answer
    x = 8,935.83

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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.