Home / 21,249.68-31,874.26-9,554.64

Finding the Fourth Proportional to 21,249.68, 31,874.26 and 9,554.64

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Solution

The fourth proportional to 21,249.68, 31,874.26 and 9,554.64 is: 14,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.68 : 31,874.26 = 9,554.64 : x
  2. Step 2: Convert to fraction form
    21,249.68/31,874.26 = 9,554.64/x
  3. Step 3: Cross multiply
    21,249.68x = 31,874.26 × 9,554.64
  4. Step 4: Simplify right side
    21,249.68x = 304,547,079.57
  5. Step 5: Solve for x
    x = 304,547,079.57/21,249.68
  6. Step 6: Final answer
    x = 14,331.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.