Home / 19,475.55-29,216.21-7,788.51

Finding the Fourth Proportional to 19,475.55, 29,216.21 and 7,788.51

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Solution

The fourth proportional to 19,475.55, 29,216.21 and 7,788.51 is: 11,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.55 : 29,216.21 = 7,788.51 : x
  2. Step 2: Convert to fraction form
    19,475.55/29,216.21 = 7,788.51/x
  3. Step 3: Cross multiply
    19,475.55x = 29,216.21 × 7,788.51
  4. Step 4: Simplify right side
    19,475.55x = 227,550,704.80
  5. Step 5: Solve for x
    x = 227,550,704.80/19,475.55
  6. Step 6: Final answer
    x = 11,683.92

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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.