Home / 15,637.86-23,450.90-5,105.43

Finding the Fourth Proportional to 15,637.86, 23,450.90 and 5,105.43

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Solution

The fourth proportional to 15,637.86, 23,450.90 and 5,105.43 is: 7,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.86 : 23,450.90 = 5,105.43 : x
  2. Step 2: Convert to fraction form
    15,637.86/23,450.90 = 5,105.43/x
  3. Step 3: Cross multiply
    15,637.86x = 23,450.90 × 5,105.43
  4. Step 4: Simplify right side
    15,637.86x = 119,726,902.86
  5. Step 5: Solve for x
    x = 119,726,902.86/15,637.86
  6. Step 6: Final answer
    x = 7,656.22

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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.