Home / 21,234.37-29,303.99-11,544.48

Finding the Fourth Proportional to 21,234.37, 29,303.99 and 11,544.48

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Solution

The fourth proportional to 21,234.37, 29,303.99 and 11,544.48 is: 15,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.37 : 29,303.99 = 11,544.48 : x
  2. Step 2: Convert to fraction form
    21,234.37/29,303.99 = 11,544.48/x
  3. Step 3: Cross multiply
    21,234.37x = 29,303.99 × 11,544.48
  4. Step 4: Simplify right side
    21,234.37x = 338,299,326.48
  5. Step 5: Solve for x
    x = 338,299,326.48/21,234.37
  6. Step 6: Final answer
    x = 15,931.69

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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.