Home / 15,781.03-23,665.37-5,914.92

Finding the Fourth Proportional to 15,781.03, 23,665.37 and 5,914.92

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Solution

The fourth proportional to 15,781.03, 23,665.37 and 5,914.92 is: 8,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.03 : 23,665.37 = 5,914.92 : x
  2. Step 2: Convert to fraction form
    15,781.03/23,665.37 = 5,914.92/x
  3. Step 3: Cross multiply
    15,781.03x = 23,665.37 × 5,914.92
  4. Step 4: Simplify right side
    15,781.03x = 139,978,829.49
  5. Step 5: Solve for x
    x = 139,978,829.49/15,781.03
  6. Step 6: Final answer
    x = 8,870.07

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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.