Home / 13,777.04-20,671.42-7,529.76

Finding the Fourth Proportional to 13,777.04, 20,671.42 and 7,529.76

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Solution

The fourth proportional to 13,777.04, 20,671.42 and 7,529.76 is: 11,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.04 : 20,671.42 = 7,529.76 : x
  2. Step 2: Convert to fraction form
    13,777.04/20,671.42 = 7,529.76/x
  3. Step 3: Cross multiply
    13,777.04x = 20,671.42 × 7,529.76
  4. Step 4: Simplify right side
    13,777.04x = 155,650,742.13
  5. Step 5: Solve for x
    x = 155,650,742.13/13,777.04
  6. Step 6: Final answer
    x = 11,297.83

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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.