Home / 15,686.75-23,529.45-3,999.62

Finding the Fourth Proportional to 15,686.75, 23,529.45 and 3,999.62

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Solution

The fourth proportional to 15,686.75, 23,529.45 and 3,999.62 is: 5,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.75 : 23,529.45 = 3,999.62 : x
  2. Step 2: Convert to fraction form
    15,686.75/23,529.45 = 3,999.62/x
  3. Step 3: Cross multiply
    15,686.75x = 23,529.45 × 3,999.62
  4. Step 4: Simplify right side
    15,686.75x = 94,108,858.81
  5. Step 5: Solve for x
    x = 94,108,858.81/15,686.75
  6. Step 6: Final answer
    x = 5,999.26

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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.