Home / 15,659.73-23,487.21-5,129.73

Finding the Fourth Proportional to 15,659.73, 23,487.21 and 5,129.73

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Solution

The fourth proportional to 15,659.73, 23,487.21 and 5,129.73 is: 7,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.73 : 23,487.21 = 5,129.73 : x
  2. Step 2: Convert to fraction form
    15,659.73/23,487.21 = 5,129.73/x
  3. Step 3: Cross multiply
    15,659.73x = 23,487.21 × 5,129.73
  4. Step 4: Simplify right side
    15,659.73x = 120,483,045.75
  5. Step 5: Solve for x
    x = 120,483,045.75/15,659.73
  6. Step 6: Final answer
    x = 7,693.81

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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.