Home / 15,239.67-21,029.75-8,524.14

Finding the Fourth Proportional to 15,239.67, 21,029.75 and 8,524.14

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Solution

The fourth proportional to 15,239.67, 21,029.75 and 8,524.14 is: 11,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.67 : 21,029.75 = 8,524.14 : x
  2. Step 2: Convert to fraction form
    15,239.67/21,029.75 = 8,524.14/x
  3. Step 3: Cross multiply
    15,239.67x = 21,029.75 × 8,524.14
  4. Step 4: Simplify right side
    15,239.67x = 179,260,533.17
  5. Step 5: Solve for x
    x = 179,260,533.17/15,239.67
  6. Step 6: Final answer
    x = 11,762.76

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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.