Home / 13,122.48-19,683.18-3,261.54

Finding the Fourth Proportional to 13,122.48, 19,683.18 and 3,261.54

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Solution

The fourth proportional to 13,122.48, 19,683.18 and 3,261.54 is: 4,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.48 : 19,683.18 = 3,261.54 : x
  2. Step 2: Convert to fraction form
    13,122.48/19,683.18 = 3,261.54/x
  3. Step 3: Cross multiply
    13,122.48x = 19,683.18 × 3,261.54
  4. Step 4: Simplify right side
    13,122.48x = 64,197,478.90
  5. Step 5: Solve for x
    x = 64,197,478.90/13,122.48
  6. Step 6: Final answer
    x = 4,892.18

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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.