Home / 15,239.99-21,030.33-8,524.31

Finding the Fourth Proportional to 15,239.99, 21,030.33 and 8,524.31

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Solution

The fourth proportional to 15,239.99, 21,030.33 and 8,524.31 is: 11,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.99 : 21,030.33 = 8,524.31 : x
  2. Step 2: Convert to fraction form
    15,239.99/21,030.33 = 8,524.31/x
  3. Step 3: Cross multiply
    15,239.99x = 21,030.33 × 8,524.31
  4. Step 4: Simplify right side
    15,239.99x = 179,269,104.90
  5. Step 5: Solve for x
    x = 179,269,104.90/15,239.99
  6. Step 6: Final answer
    x = 11,763.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.