Home / 15,381.72-23,072.64-4,993.56

Finding the Fourth Proportional to 15,381.72, 23,072.64 and 4,993.56

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Solution

The fourth proportional to 15,381.72, 23,072.64 and 4,993.56 is: 7,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.72 : 23,072.64 = 4,993.56 : x
  2. Step 2: Convert to fraction form
    15,381.72/23,072.64 = 4,993.56/x
  3. Step 3: Cross multiply
    15,381.72x = 23,072.64 × 4,993.56
  4. Step 4: Simplify right side
    15,381.72x = 115,214,612.20
  5. Step 5: Solve for x
    x = 115,214,612.20/15,381.72
  6. Step 6: Final answer
    x = 7,490.36

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1.5x scale

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.