Home / 10,845.71-14,974.80-8,573.66

Finding the Fourth Proportional to 10,845.71, 14,974.80 and 8,573.66

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Solution

The fourth proportional to 10,845.71, 14,974.80 and 8,573.66 is: 11,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.71 : 14,974.80 = 8,573.66 : x
  2. Step 2: Convert to fraction form
    10,845.71/14,974.80 = 8,573.66/x
  3. Step 3: Cross multiply
    10,845.71x = 14,974.80 × 8,573.66
  4. Step 4: Simplify right side
    10,845.71x = 128,388,843.77
  5. Step 5: Solve for x
    x = 128,388,843.77/10,845.71
  6. Step 6: Final answer
    x = 11,837.75

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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.