Home / 13,125.25-19,682.09-4,803.10

Finding the Fourth Proportional to 13,125.25, 19,682.09 and 4,803.10

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Solution

The fourth proportional to 13,125.25, 19,682.09 and 4,803.10 is: 7,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.25 : 19,682.09 = 4,803.10 : x
  2. Step 2: Convert to fraction form
    13,125.25/19,682.09 = 4,803.10/x
  3. Step 3: Cross multiply
    13,125.25x = 19,682.09 × 4,803.10
  4. Step 4: Simplify right side
    13,125.25x = 94,535,046.48
  5. Step 5: Solve for x
    x = 94,535,046.48/13,125.25
  6. Step 6: Final answer
    x = 7,202.53

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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.