Home / 15,841.91-21,855.60-10,175.87

Finding the Fourth Proportional to 15,841.91, 21,855.60 and 10,175.87

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Solution

The fourth proportional to 15,841.91, 21,855.60 and 10,175.87 is: 14,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.91 : 21,855.60 = 10,175.87 : x
  2. Step 2: Convert to fraction form
    15,841.91/21,855.60 = 10,175.87/x
  3. Step 3: Cross multiply
    15,841.91x = 21,855.60 × 10,175.87
  4. Step 4: Simplify right side
    15,841.91x = 222,399,635.09
  5. Step 5: Solve for x
    x = 222,399,635.09/15,841.91
  6. Step 6: Final answer
    x = 14,038.69

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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.