Home / 21,503.80-32,257.73-8,357.19

Finding the Fourth Proportional to 21,503.80, 32,257.73 and 8,357.19

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Solution

The fourth proportional to 21,503.80, 32,257.73 and 8,357.19 is: 12,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.80 : 32,257.73 = 8,357.19 : x
  2. Step 2: Convert to fraction form
    21,503.80/32,257.73 = 8,357.19/x
  3. Step 3: Cross multiply
    21,503.80x = 32,257.73 × 8,357.19
  4. Step 4: Simplify right side
    21,503.80x = 269,583,978.58
  5. Step 5: Solve for x
    x = 269,583,978.58/21,503.80
  6. Step 6: Final answer
    x = 12,536.57

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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.