Home / 15,405.54-23,103.72-4,309.53

Finding the Fourth Proportional to 15,405.54, 23,103.72 and 4,309.53

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Solution

The fourth proportional to 15,405.54, 23,103.72 and 4,309.53 is: 6,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.54 : 23,103.72 = 4,309.53 : x
  2. Step 2: Convert to fraction form
    15,405.54/23,103.72 = 4,309.53/x
  3. Step 3: Cross multiply
    15,405.54x = 23,103.72 × 4,309.53
  4. Step 4: Simplify right side
    15,405.54x = 99,566,174.45
  5. Step 5: Solve for x
    x = 99,566,174.45/15,405.54
  6. Step 6: Final answer
    x = 6,463.01

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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.