Home / 21,675.40-32,514.04-7,453.68

Finding the Fourth Proportional to 21,675.40, 32,514.04 and 7,453.68

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Solution

The fourth proportional to 21,675.40, 32,514.04 and 7,453.68 is: 11,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.40 : 32,514.04 = 7,453.68 : x
  2. Step 2: Convert to fraction form
    21,675.40/32,514.04 = 7,453.68/x
  3. Step 3: Cross multiply
    21,675.40x = 32,514.04 × 7,453.68
  4. Step 4: Simplify right side
    21,675.40x = 242,349,249.67
  5. Step 5: Solve for x
    x = 242,349,249.67/21,675.40
  6. Step 6: Final answer
    x = 11,180.84

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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.