Home / 15,403.68-23,107.95-5,013

Finding the Fourth Proportional to 15,403.68, 23,107.95 and 5,013

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Solution

The fourth proportional to 15,403.68, 23,107.95 and 5,013 is: 7,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.68 : 23,107.95 = 5,013 : x
  2. Step 2: Convert to fraction form
    15,403.68/23,107.95 = 5,013/x
  3. Step 3: Cross multiply
    15,403.68x = 23,107.95 × 5,013
  4. Step 4: Simplify right side
    15,403.68x = 115,840,153.35
  5. Step 5: Solve for x
    x = 115,840,153.35/15,403.68
  6. Step 6: Final answer
    x = 7,520.29

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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.