Home / 10,175.64-14,042.10-5,699.80

Finding the Fourth Proportional to 10,175.64, 14,042.10 and 5,699.80

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Solution

The fourth proportional to 10,175.64, 14,042.10 and 5,699.80 is: 7,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.64 : 14,042.10 = 5,699.80 : x
  2. Step 2: Convert to fraction form
    10,175.64/14,042.10 = 5,699.80/x
  3. Step 3: Cross multiply
    10,175.64x = 14,042.10 × 5,699.80
  4. Step 4: Simplify right side
    10,175.64x = 80,037,161.58
  5. Step 5: Solve for x
    x = 80,037,161.58/10,175.64
  6. Step 6: Final answer
    x = 7,865.57

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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.