Home / 21,441.03-29,588.93-12,009.66

Finding the Fourth Proportional to 21,441.03, 29,588.93 and 12,009.66

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Solution

The fourth proportional to 21,441.03, 29,588.93 and 12,009.66 is: 16,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.03 : 29,588.93 = 12,009.66 : x
  2. Step 2: Convert to fraction form
    21,441.03/29,588.93 = 12,009.66/x
  3. Step 3: Cross multiply
    21,441.03x = 29,588.93 × 12,009.66
  4. Step 4: Simplify right side
    21,441.03x = 355,352,989.06
  5. Step 5: Solve for x
    x = 355,352,989.06/21,441.03
  6. Step 6: Final answer
    x = 16,573.50

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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.