Home / 10,515.42-14,511.39-5,799.66

Finding the Fourth Proportional to 10,515.42, 14,511.39 and 5,799.66

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Solution

The fourth proportional to 10,515.42, 14,511.39 and 5,799.66 is: 8,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.42 : 14,511.39 = 5,799.66 : x
  2. Step 2: Convert to fraction form
    10,515.42/14,511.39 = 5,799.66/x
  3. Step 3: Cross multiply
    10,515.42x = 14,511.39 × 5,799.66
  4. Step 4: Simplify right side
    10,515.42x = 84,161,128.13
  5. Step 5: Solve for x
    x = 84,161,128.13/10,515.42
  6. Step 6: Final answer
    x = 8,003.59

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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.