Home / 21,453.80-32,187.90-10,367.24

Finding the Fourth Proportional to 21,453.80, 32,187.90 and 10,367.24

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Solution

The fourth proportional to 21,453.80, 32,187.90 and 10,367.24 is: 15,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.80 : 32,187.90 = 10,367.24 : x
  2. Step 2: Convert to fraction form
    21,453.80/32,187.90 = 10,367.24/x
  3. Step 3: Cross multiply
    21,453.80x = 32,187.90 × 10,367.24
  4. Step 4: Simplify right side
    21,453.80x = 333,699,684.40
  5. Step 5: Solve for x
    x = 333,699,684.40/21,453.80
  6. Step 6: Final answer
    x = 15,554.34

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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.