Home / 21,557.97-32,328.87-7,514.39

Finding the Fourth Proportional to 21,557.97, 32,328.87 and 7,514.39

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Solution

The fourth proportional to 21,557.97, 32,328.87 and 7,514.39 is: 11,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.97 : 32,328.87 = 7,514.39 : x
  2. Step 2: Convert to fraction form
    21,557.97/32,328.87 = 7,514.39/x
  3. Step 3: Cross multiply
    21,557.97x = 32,328.87 × 7,514.39
  4. Step 4: Simplify right side
    21,557.97x = 242,931,575.79
  5. Step 5: Solve for x
    x = 242,931,575.79/21,557.97
  6. Step 6: Final answer
    x = 11,268.76

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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.