Home / 13,402.87-20,113.53-6,015.59

Finding the Fourth Proportional to 13,402.87, 20,113.53 and 6,015.59

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Solution

The fourth proportional to 13,402.87, 20,113.53 and 6,015.59 is: 9,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.87 : 20,113.53 = 6,015.59 : x
  2. Step 2: Convert to fraction form
    13,402.87/20,113.53 = 6,015.59/x
  3. Step 3: Cross multiply
    13,402.87x = 20,113.53 × 6,015.59
  4. Step 4: Simplify right side
    13,402.87x = 120,994,749.93
  5. Step 5: Solve for x
    x = 120,994,749.93/13,402.87
  6. Step 6: Final answer
    x = 9,027.53

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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.