Home / 10,755.64-14,843.84-6,218.51

Finding the Fourth Proportional to 10,755.64, 14,843.84 and 6,218.51

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Solution

The fourth proportional to 10,755.64, 14,843.84 and 6,218.51 is: 8,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.64 : 14,843.84 = 6,218.51 : x
  2. Step 2: Convert to fraction form
    10,755.64/14,843.84 = 6,218.51/x
  3. Step 3: Cross multiply
    10,755.64x = 14,843.84 × 6,218.51
  4. Step 4: Simplify right side
    10,755.64x = 92,306,573.50
  5. Step 5: Solve for x
    x = 92,306,573.50/10,755.64
  6. Step 6: Final answer
    x = 8,582.16

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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.