Home / 10,810.56-14,917.48-7,979.48

Finding the Fourth Proportional to 10,810.56, 14,917.48 and 7,979.48

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Solution

The fourth proportional to 10,810.56, 14,917.48 and 7,979.48 is: 11,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.56 : 14,917.48 = 7,979.48 : x
  2. Step 2: Convert to fraction form
    10,810.56/14,917.48 = 7,979.48/x
  3. Step 3: Cross multiply
    10,810.56x = 14,917.48 × 7,979.48
  4. Step 4: Simplify right side
    10,810.56x = 119,033,733.31
  5. Step 5: Solve for x
    x = 119,033,733.31/10,810.56
  6. Step 6: Final answer
    x = 11,010.88

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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.