Home / 10,015.83-15,027.21-3,777.63

Finding the Fourth Proportional to 10,015.83, 15,027.21 and 3,777.63

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Solution

The fourth proportional to 10,015.83, 15,027.21 and 3,777.63 is: 5,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.83 : 15,027.21 = 3,777.63 : x
  2. Step 2: Convert to fraction form
    10,015.83/15,027.21 = 3,777.63/x
  3. Step 3: Cross multiply
    10,015.83x = 15,027.21 × 3,777.63
  4. Step 4: Simplify right side
    10,015.83x = 56,767,239.31
  5. Step 5: Solve for x
    x = 56,767,239.31/10,015.83
  6. Step 6: Final answer
    x = 5,667.75

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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.