Home / 15,475.79-23,214.13-3,789

Finding the Fourth Proportional to 15,475.79, 23,214.13 and 3,789

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Solution

The fourth proportional to 15,475.79, 23,214.13 and 3,789 is: 5,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.79 : 23,214.13 = 3,789 : x
  2. Step 2: Convert to fraction form
    15,475.79/23,214.13 = 3,789/x
  3. Step 3: Cross multiply
    15,475.79x = 23,214.13 × 3,789
  4. Step 4: Simplify right side
    15,475.79x = 87,958,329.10
  5. Step 5: Solve for x
    x = 87,958,329.10/15,475.79
  6. Step 6: Final answer
    x = 5,683.61

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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.