Home / 13,212.21-19,811.11-6,088.74

Finding the Fourth Proportional to 13,212.21, 19,811.11 and 6,088.74

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Solution

The fourth proportional to 13,212.21, 19,811.11 and 6,088.74 is: 9,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.21 : 19,811.11 = 6,088.74 : x
  2. Step 2: Convert to fraction form
    13,212.21/19,811.11 = 6,088.74/x
  3. Step 3: Cross multiply
    13,212.21x = 19,811.11 × 6,088.74
  4. Step 4: Simplify right side
    13,212.21x = 120,624,697.90
  5. Step 5: Solve for x
    x = 120,624,697.90/13,212.21
  6. Step 6: Final answer
    x = 9,129.79

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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.