Home / 21,618.37-32,437.41-11,095.78

Finding the Fourth Proportional to 21,618.37, 32,437.41 and 11,095.78

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Solution

The fourth proportional to 21,618.37, 32,437.41 and 11,095.78 is: 16,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.37 : 32,437.41 = 11,095.78 : x
  2. Step 2: Convert to fraction form
    21,618.37/32,437.41 = 11,095.78/x
  3. Step 3: Cross multiply
    21,618.37x = 32,437.41 × 11,095.78
  4. Step 4: Simplify right side
    21,618.37x = 359,918,365.13
  5. Step 5: Solve for x
    x = 359,918,365.13/21,618.37
  6. Step 6: Final answer
    x = 16,648.73

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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.