Home / 10,218.26-14,114.68-7,579.28

Finding the Fourth Proportional to 10,218.26, 14,114.68 and 7,579.28

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Solution

The fourth proportional to 10,218.26, 14,114.68 and 7,579.28 is: 10,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.26 : 14,114.68 = 7,579.28 : x
  2. Step 2: Convert to fraction form
    10,218.26/14,114.68 = 7,579.28/x
  3. Step 3: Cross multiply
    10,218.26x = 14,114.68 × 7,579.28
  4. Step 4: Simplify right side
    10,218.26x = 106,979,111.83
  5. Step 5: Solve for x
    x = 106,979,111.83/10,218.26
  6. Step 6: Final answer
    x = 10,469.41

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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.