Home / 21,491.12-32,249.16-9,010.08

Finding the Fourth Proportional to 21,491.12, 32,249.16 and 9,010.08

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Solution

The fourth proportional to 21,491.12, 32,249.16 and 9,010.08 is: 13,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.12 : 32,249.16 = 9,010.08 : x
  2. Step 2: Convert to fraction form
    21,491.12/32,249.16 = 9,010.08/x
  3. Step 3: Cross multiply
    21,491.12x = 32,249.16 × 9,010.08
  4. Step 4: Simplify right side
    21,491.12x = 290,567,511.53
  5. Step 5: Solve for x
    x = 290,567,511.53/21,491.12
  6. Step 6: Final answer
    x = 13,520.35

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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.