Home / 19,405.21-29,108.46-15,184.57

Finding the Fourth Proportional to 19,405.21, 29,108.46 and 15,184.57

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Solution

The fourth proportional to 19,405.21, 29,108.46 and 15,184.57 is: 22,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.21 : 29,108.46 = 15,184.57 : x
  2. Step 2: Convert to fraction form
    19,405.21/29,108.46 = 15,184.57/x
  3. Step 3: Cross multiply
    19,405.21x = 29,108.46 × 15,184.57
  4. Step 4: Simplify right side
    19,405.21x = 441,999,448.46
  5. Step 5: Solve for x
    x = 441,999,448.46/19,405.21
  6. Step 6: Final answer
    x = 22,777.36

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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.