Home / 16,405.21-24,602.65-5,309.33

Finding the Fourth Proportional to 16,405.21, 24,602.65 and 5,309.33

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Solution

The fourth proportional to 16,405.21, 24,602.65 and 5,309.33 is: 7,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.21 : 24,602.65 = 5,309.33 : x
  2. Step 2: Convert to fraction form
    16,405.21/24,602.65 = 5,309.33/x
  3. Step 3: Cross multiply
    16,405.21x = 24,602.65 × 5,309.33
  4. Step 4: Simplify right side
    16,405.21x = 130,623,451.44
  5. Step 5: Solve for x
    x = 130,623,451.44/16,405.21
  6. Step 6: Final answer
    x = 7,962.32

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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.