Home / 13,125.12-19,682.82-4,802.67

Finding the Fourth Proportional to 13,125.12, 19,682.82 and 4,802.67

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Solution

The fourth proportional to 13,125.12, 19,682.82 and 4,802.67 is: 7,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.12 : 19,682.82 = 4,802.67 : x
  2. Step 2: Convert to fraction form
    13,125.12/19,682.82 = 4,802.67/x
  3. Step 3: Cross multiply
    13,125.12x = 19,682.82 × 4,802.67
  4. Step 4: Simplify right side
    13,125.12x = 94,530,089.13
  5. Step 5: Solve for x
    x = 94,530,089.13/13,125.12
  6. Step 6: Final answer
    x = 7,202.23

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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.