Home / 15,686.28-23,529.15-3,999.33

Finding the Fourth Proportional to 15,686.28, 23,529.15 and 3,999.33

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Solution

The fourth proportional to 15,686.28, 23,529.15 and 3,999.33 is: 5,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.28 : 23,529.15 = 3,999.33 : x
  2. Step 2: Convert to fraction form
    15,686.28/23,529.15 = 3,999.33/x
  3. Step 3: Cross multiply
    15,686.28x = 23,529.15 × 3,999.33
  4. Step 4: Simplify right side
    15,686.28x = 94,100,835.47
  5. Step 5: Solve for x
    x = 94,100,835.47/15,686.28
  6. Step 6: Final answer
    x = 5,998.93

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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.