Home / 10,843.98-14,964.75-6,128.70

Finding the Fourth Proportional to 10,843.98, 14,964.75 and 6,128.70

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Solution

The fourth proportional to 10,843.98, 14,964.75 and 6,128.70 is: 8,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.98 : 14,964.75 = 6,128.70 : x
  2. Step 2: Convert to fraction form
    10,843.98/14,964.75 = 6,128.70/x
  3. Step 3: Cross multiply
    10,843.98x = 14,964.75 × 6,128.70
  4. Step 4: Simplify right side
    10,843.98x = 91,714,463.33
  5. Step 5: Solve for x
    x = 91,714,463.33/10,843.98
  6. Step 6: Final answer
    x = 8,457.64

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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.