Home / 21,625.74-32,416.11-9,135.36

Finding the Fourth Proportional to 21,625.74, 32,416.11 and 9,135.36

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Solution

The fourth proportional to 21,625.74, 32,416.11 and 9,135.36 is: 13,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.74 : 32,416.11 = 9,135.36 : x
  2. Step 2: Convert to fraction form
    21,625.74/32,416.11 = 9,135.36/x
  3. Step 3: Cross multiply
    21,625.74x = 32,416.11 × 9,135.36
  4. Step 4: Simplify right side
    21,625.74x = 296,132,834.65
  5. Step 5: Solve for x
    x = 296,132,834.65/21,625.74
  6. Step 6: Final answer
    x = 13,693.54

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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.