Home / 10,279.09-14,185.16-5,563.36

Finding the Fourth Proportional to 10,279.09, 14,185.16 and 5,563.36

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Solution

The fourth proportional to 10,279.09, 14,185.16 and 5,563.36 is: 7,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.09 : 14,185.16 = 5,563.36 : x
  2. Step 2: Convert to fraction form
    10,279.09/14,185.16 = 5,563.36/x
  3. Step 3: Cross multiply
    10,279.09x = 14,185.16 × 5,563.36
  4. Step 4: Simplify right side
    10,279.09x = 78,917,151.74
  5. Step 5: Solve for x
    x = 78,917,151.74/10,279.09
  6. Step 6: Final answer
    x = 7,677.45

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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.