Home / 10,405.53-15,607.84-3,009.83

Finding the Fourth Proportional to 10,405.53, 15,607.84 and 3,009.83

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Solution

The fourth proportional to 10,405.53, 15,607.84 and 3,009.83 is: 4,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.53 : 15,607.84 = 3,009.83 : x
  2. Step 2: Convert to fraction form
    10,405.53/15,607.84 = 3,009.83/x
  3. Step 3: Cross multiply
    10,405.53x = 15,607.84 × 3,009.83
  4. Step 4: Simplify right side
    10,405.53x = 46,976,851.98
  5. Step 5: Solve for x
    x = 46,976,851.98/10,405.53
  6. Step 6: Final answer
    x = 4,514.60

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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.