Home / 21,249.29-29,330.19-14,175.69

Finding the Fourth Proportional to 21,249.29, 29,330.19 and 14,175.69

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Solution

The fourth proportional to 21,249.29, 29,330.19 and 14,175.69 is: 19,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.29 : 29,330.19 = 14,175.69 : x
  2. Step 2: Convert to fraction form
    21,249.29/29,330.19 = 14,175.69/x
  3. Step 3: Cross multiply
    21,249.29x = 29,330.19 × 14,175.69
  4. Step 4: Simplify right side
    21,249.29x = 415,775,681.08
  5. Step 5: Solve for x
    x = 415,775,681.08/21,249.29
  6. Step 6: Final answer
    x = 19,566.57

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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.